2 * Copyright (c) 2000-2003 Fabrice Bellard
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 * multimedia converter based on the FFmpeg libraries
44 #include "libavformat/avformat.h"
45 #include "libavdevice/avdevice.h"
46 #include "libswresample/swresample.h"
47 #include "libavutil/opt.h"
48 #include "libavutil/channel_layout.h"
49 #include "libavutil/parseutils.h"
50 #include "libavutil/samplefmt.h"
51 #include "libavutil/fifo.h"
52 #include "libavutil/intreadwrite.h"
53 #include "libavutil/dict.h"
54 #include "libavutil/mathematics.h"
55 #include "libavutil/pixdesc.h"
56 #include "libavutil/avstring.h"
57 #include "libavutil/libm.h"
58 #include "libavutil/imgutils.h"
59 #include "libavutil/timestamp.h"
60 #include "libavutil/bprint.h"
61 #include "libavutil/time.h"
62 #include "libavutil/threadmessage.h"
63 #include "libavformat/os_support.h"
65 # include "libavfilter/avcodec.h"
66 # include "libavfilter/avfilter.h"
67 # include "libavfilter/buffersrc.h"
68 # include "libavfilter/buffersink.h"
70 #if HAVE_SYS_RESOURCE_H
72 #include <sys/types.h>
73 #include <sys/resource.h>
74 #elif HAVE_GETPROCESSTIMES
77 #if HAVE_GETPROCESSMEMORYINFO
83 #include <sys/select.h>
88 #include <sys/ioctl.h>
102 #include "cmdutils.h"
104 #include "libavutil/avassert.h"
106 const char program_name[] = "ffmpeg";
107 const int program_birth_year = 2000;
109 static FILE *vstats_file;
111 const char *const forced_keyframes_const_names[] = {
120 static void do_video_stats(OutputStream *ost, int frame_size);
121 static int64_t getutime(void);
122 static int64_t getmaxrss(void);
124 static int run_as_daemon = 0;
125 static int nb_frames_dup = 0;
126 static int nb_frames_drop = 0;
127 static int64_t decode_error_stat[2];
129 static int current_time;
130 AVIOContext *progress_avio = NULL;
132 static uint8_t *subtitle_out;
134 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
136 InputStream **input_streams = NULL;
137 int nb_input_streams = 0;
138 InputFile **input_files = NULL;
139 int nb_input_files = 0;
141 OutputStream **output_streams = NULL;
142 int nb_output_streams = 0;
143 OutputFile **output_files = NULL;
144 int nb_output_files = 0;
146 FilterGraph **filtergraphs;
151 /* init terminal so that we can grab keys */
152 static struct termios oldtty;
153 static int restore_tty;
157 static void free_input_threads(void);
161 Convert subtitles to video with alpha to insert them in filter graphs.
162 This is a temporary solution until libavfilter gets real subtitles support.
165 static int sub2video_get_blank_frame(InputStream *ist)
168 AVFrame *frame = ist->sub2video.frame;
170 av_frame_unref(frame);
171 ist->sub2video.frame->width = ist->sub2video.w;
172 ist->sub2video.frame->height = ist->sub2video.h;
173 ist->sub2video.frame->format = AV_PIX_FMT_RGB32;
174 if ((ret = av_frame_get_buffer(frame, 32)) < 0)
176 memset(frame->data[0], 0, frame->height * frame->linesize[0]);
180 static void sub2video_copy_rect(uint8_t *dst, int dst_linesize, int w, int h,
183 uint32_t *pal, *dst2;
187 if (r->type != SUBTITLE_BITMAP) {
188 av_log(NULL, AV_LOG_WARNING, "sub2video: non-bitmap subtitle\n");
191 if (r->x < 0 || r->x + r->w > w || r->y < 0 || r->y + r->h > h) {
192 av_log(NULL, AV_LOG_WARNING, "sub2video: rectangle overflowing\n");
196 dst += r->y * dst_linesize + r->x * 4;
197 src = r->pict.data[0];
198 pal = (uint32_t *)r->pict.data[1];
199 for (y = 0; y < r->h; y++) {
200 dst2 = (uint32_t *)dst;
202 for (x = 0; x < r->w; x++)
203 *(dst2++) = pal[*(src2++)];
205 src += r->pict.linesize[0];
209 static void sub2video_push_ref(InputStream *ist, int64_t pts)
211 AVFrame *frame = ist->sub2video.frame;
214 av_assert1(frame->data[0]);
215 ist->sub2video.last_pts = frame->pts = pts;
216 for (i = 0; i < ist->nb_filters; i++)
217 av_buffersrc_add_frame_flags(ist->filters[i]->filter, frame,
218 AV_BUFFERSRC_FLAG_KEEP_REF |
219 AV_BUFFERSRC_FLAG_PUSH);
222 static void sub2video_update(InputStream *ist, AVSubtitle *sub)
224 int w = ist->sub2video.w, h = ist->sub2video.h;
225 AVFrame *frame = ist->sub2video.frame;
229 int64_t pts, end_pts;
234 pts = av_rescale_q(sub->pts + sub->start_display_time * 1000LL,
235 AV_TIME_BASE_Q, ist->st->time_base);
236 end_pts = av_rescale_q(sub->pts + sub->end_display_time * 1000LL,
237 AV_TIME_BASE_Q, ist->st->time_base);
238 num_rects = sub->num_rects;
240 pts = ist->sub2video.end_pts;
244 if (sub2video_get_blank_frame(ist) < 0) {
245 av_log(ist->dec_ctx, AV_LOG_ERROR,
246 "Impossible to get a blank canvas.\n");
249 dst = frame->data [0];
250 dst_linesize = frame->linesize[0];
251 for (i = 0; i < num_rects; i++)
252 sub2video_copy_rect(dst, dst_linesize, w, h, sub->rects[i]);
253 sub2video_push_ref(ist, pts);
254 ist->sub2video.end_pts = end_pts;
257 static void sub2video_heartbeat(InputStream *ist, int64_t pts)
259 InputFile *infile = input_files[ist->file_index];
263 /* When a frame is read from a file, examine all sub2video streams in
264 the same file and send the sub2video frame again. Otherwise, decoded
265 video frames could be accumulating in the filter graph while a filter
266 (possibly overlay) is desperately waiting for a subtitle frame. */
267 for (i = 0; i < infile->nb_streams; i++) {
268 InputStream *ist2 = input_streams[infile->ist_index + i];
269 if (!ist2->sub2video.frame)
271 /* subtitles seem to be usually muxed ahead of other streams;
272 if not, subtracting a larger time here is necessary */
273 pts2 = av_rescale_q(pts, ist->st->time_base, ist2->st->time_base) - 1;
274 /* do not send the heartbeat frame if the subtitle is already ahead */
275 if (pts2 <= ist2->sub2video.last_pts)
277 if (pts2 >= ist2->sub2video.end_pts || !ist2->sub2video.frame->data[0])
278 sub2video_update(ist2, NULL);
279 for (j = 0, nb_reqs = 0; j < ist2->nb_filters; j++)
280 nb_reqs += av_buffersrc_get_nb_failed_requests(ist2->filters[j]->filter);
282 sub2video_push_ref(ist2, pts2);
286 static void sub2video_flush(InputStream *ist)
290 if (ist->sub2video.end_pts < INT64_MAX)
291 sub2video_update(ist, NULL);
292 for (i = 0; i < ist->nb_filters; i++)
293 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
296 /* end of sub2video hack */
298 static void term_exit_sigsafe(void)
302 tcsetattr (0, TCSANOW, &oldtty);
308 av_log(NULL, AV_LOG_QUIET, "%s", "");
312 static volatile int received_sigterm = 0;
313 static volatile int received_nb_signals = 0;
314 static volatile int transcode_init_done = 0;
315 static int main_return_code = 0;
318 sigterm_handler(int sig)
320 received_sigterm = sig;
321 received_nb_signals++;
323 if(received_nb_signals > 3)
334 istty = isatty(0) && isatty(2);
336 if (istty && tcgetattr (0, &tty) == 0) {
340 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
341 |INLCR|IGNCR|ICRNL|IXON);
342 tty.c_oflag |= OPOST;
343 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
344 tty.c_cflag &= ~(CSIZE|PARENB);
349 tcsetattr (0, TCSANOW, &tty);
351 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
354 avformat_network_deinit();
356 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
357 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
359 signal(SIGXCPU, sigterm_handler);
363 /* read a key without blocking */
364 static int read_key(void)
376 n = select(1, &rfds, NULL, NULL, &tv);
385 # if HAVE_PEEKNAMEDPIPE
387 static HANDLE input_handle;
390 input_handle = GetStdHandle(STD_INPUT_HANDLE);
391 is_pipe = !GetConsoleMode(input_handle, &dw);
394 if (stdin->_cnt > 0) {
399 /* When running under a GUI, you will end here. */
400 if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL)) {
401 // input pipe may have been closed by the program that ran ffmpeg
419 static int decode_interrupt_cb(void *ctx)
421 return received_nb_signals > transcode_init_done;
424 const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
426 static void ffmpeg_cleanup(int ret)
431 int maxrss = getmaxrss() / 1024;
432 printf("bench: maxrss=%ikB\n", maxrss);
435 for (i = 0; i < nb_filtergraphs; i++) {
436 FilterGraph *fg = filtergraphs[i];
437 avfilter_graph_free(&fg->graph);
438 for (j = 0; j < fg->nb_inputs; j++) {
439 av_freep(&fg->inputs[j]->name);
440 av_freep(&fg->inputs[j]);
442 av_freep(&fg->inputs);
443 for (j = 0; j < fg->nb_outputs; j++) {
444 av_freep(&fg->outputs[j]->name);
445 av_freep(&fg->outputs[j]);
447 av_freep(&fg->outputs);
448 av_freep(&fg->graph_desc);
450 av_freep(&filtergraphs[i]);
452 av_freep(&filtergraphs);
454 av_freep(&subtitle_out);
457 for (i = 0; i < nb_output_files; i++) {
458 OutputFile *of = output_files[i];
459 AVFormatContext *s = of->ctx;
460 if (s && s->oformat && !(s->oformat->flags & AVFMT_NOFILE))
462 avformat_free_context(s);
463 av_dict_free(&of->opts);
465 av_freep(&output_files[i]);
467 for (i = 0; i < nb_output_streams; i++) {
468 OutputStream *ost = output_streams[i];
469 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
471 AVBitStreamFilterContext *next = bsfc->next;
472 av_bitstream_filter_close(bsfc);
475 ost->bitstream_filters = NULL;
476 av_frame_free(&ost->filtered_frame);
477 av_frame_free(&ost->last_frame);
479 av_parser_close(ost->parser);
481 av_freep(&ost->forced_keyframes);
482 av_expr_free(ost->forced_keyframes_pexpr);
483 av_freep(&ost->avfilter);
484 av_freep(&ost->logfile_prefix);
486 av_freep(&ost->audio_channels_map);
487 ost->audio_channels_mapped = 0;
489 avcodec_free_context(&ost->enc_ctx);
491 av_freep(&output_streams[i]);
494 free_input_threads();
496 for (i = 0; i < nb_input_files; i++) {
497 avformat_close_input(&input_files[i]->ctx);
498 av_freep(&input_files[i]);
500 for (i = 0; i < nb_input_streams; i++) {
501 InputStream *ist = input_streams[i];
503 av_frame_free(&ist->decoded_frame);
504 av_frame_free(&ist->filter_frame);
505 av_dict_free(&ist->decoder_opts);
506 avsubtitle_free(&ist->prev_sub.subtitle);
507 av_frame_free(&ist->sub2video.frame);
508 av_freep(&ist->filters);
509 av_freep(&ist->hwaccel_device);
511 avcodec_free_context(&ist->dec_ctx);
513 av_freep(&input_streams[i]);
518 av_freep(&vstats_filename);
520 av_freep(&input_streams);
521 av_freep(&input_files);
522 av_freep(&output_streams);
523 av_freep(&output_files);
527 avformat_network_deinit();
529 if (received_sigterm) {
530 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
531 (int) received_sigterm);
532 } else if (ret && transcode_init_done) {
533 av_log(NULL, AV_LOG_INFO, "Conversion failed!\n");
538 void remove_avoptions(AVDictionary **a, AVDictionary *b)
540 AVDictionaryEntry *t = NULL;
542 while ((t = av_dict_get(b, "", t, AV_DICT_IGNORE_SUFFIX))) {
543 av_dict_set(a, t->key, NULL, AV_DICT_MATCH_CASE);
547 void assert_avoptions(AVDictionary *m)
549 AVDictionaryEntry *t;
550 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
551 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
556 static void abort_codec_experimental(AVCodec *c, int encoder)
561 static void update_benchmark(const char *fmt, ...)
563 if (do_benchmark_all) {
564 int64_t t = getutime();
570 vsnprintf(buf, sizeof(buf), fmt, va);
572 printf("bench: %8"PRIu64" %s \n", t - current_time, buf);
578 static void close_all_output_streams(OutputStream *ost, OSTFinished this_stream, OSTFinished others)
581 for (i = 0; i < nb_output_streams; i++) {
582 OutputStream *ost2 = output_streams[i];
583 ost2->finished |= ost == ost2 ? this_stream : others;
587 static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
589 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
590 AVCodecContext *avctx = ost->st->codec;
593 if (!ost->st->codec->extradata_size && ost->enc_ctx->extradata_size) {
594 ost->st->codec->extradata = av_mallocz(ost->enc_ctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
595 if (ost->st->codec->extradata) {
596 memcpy(ost->st->codec->extradata, ost->enc_ctx->extradata, ost->enc_ctx->extradata_size);
597 ost->st->codec->extradata_size = ost->enc_ctx->extradata_size;
601 if ((avctx->codec_type == AVMEDIA_TYPE_VIDEO && video_sync_method == VSYNC_DROP) ||
602 (avctx->codec_type == AVMEDIA_TYPE_AUDIO && audio_sync_method < 0))
603 pkt->pts = pkt->dts = AV_NOPTS_VALUE;
606 * Audio encoders may split the packets -- #frames in != #packets out.
607 * But there is no reordering, so we can limit the number of output packets
608 * by simply dropping them here.
609 * Counting encoded video frames needs to be done separately because of
610 * reordering, see do_video_out()
612 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
613 if (ost->frame_number >= ost->max_frames) {
621 av_packet_split_side_data(pkt);
624 AVPacket new_pkt = *pkt;
625 AVDictionaryEntry *bsf_arg = av_dict_get(ost->bsf_args,
628 int a = av_bitstream_filter_filter(bsfc, avctx,
629 bsf_arg ? bsf_arg->value : NULL,
630 &new_pkt.data, &new_pkt.size,
631 pkt->data, pkt->size,
632 pkt->flags & AV_PKT_FLAG_KEY);
633 if(a == 0 && new_pkt.data != pkt->data && new_pkt.destruct) {
634 uint8_t *t = av_malloc(new_pkt.size + FF_INPUT_BUFFER_PADDING_SIZE); //the new should be a subset of the old so cannot overflow
636 memcpy(t, new_pkt.data, new_pkt.size);
637 memset(t + new_pkt.size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
645 pkt->side_data = NULL;
646 pkt->side_data_elems = 0;
648 new_pkt.buf = av_buffer_create(new_pkt.data, new_pkt.size,
649 av_buffer_default_free, NULL, 0);
653 av_log(NULL, AV_LOG_ERROR, "Failed to open bitstream filter %s for stream %d with codec %s",
654 bsfc->filter->name, pkt->stream_index,
655 avctx->codec ? avctx->codec->name : "copy");
665 if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS)) {
666 if (pkt->dts != AV_NOPTS_VALUE &&
667 pkt->pts != AV_NOPTS_VALUE &&
668 pkt->dts > pkt->pts) {
669 av_log(s, AV_LOG_WARNING, "Invalid DTS: %"PRId64" PTS: %"PRId64" in output stream %d:%d, replacing by guess\n",
671 ost->file_index, ost->st->index);
673 pkt->dts = pkt->pts + pkt->dts + ost->last_mux_dts + 1
674 - FFMIN3(pkt->pts, pkt->dts, ost->last_mux_dts + 1)
675 - FFMAX3(pkt->pts, pkt->dts, ost->last_mux_dts + 1);
678 (avctx->codec_type == AVMEDIA_TYPE_AUDIO || avctx->codec_type == AVMEDIA_TYPE_VIDEO) &&
679 pkt->dts != AV_NOPTS_VALUE &&
680 ost->last_mux_dts != AV_NOPTS_VALUE) {
681 int64_t max = ost->last_mux_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT);
682 if (pkt->dts < max) {
683 int loglevel = max - pkt->dts > 2 || avctx->codec_type == AVMEDIA_TYPE_VIDEO ? AV_LOG_WARNING : AV_LOG_DEBUG;
684 av_log(s, loglevel, "Non-monotonous DTS in output stream "
685 "%d:%d; previous: %"PRId64", current: %"PRId64"; ",
686 ost->file_index, ost->st->index, ost->last_mux_dts, pkt->dts);
688 av_log(NULL, AV_LOG_FATAL, "aborting.\n");
691 av_log(s, loglevel, "changing to %"PRId64". This may result "
692 "in incorrect timestamps in the output file.\n",
694 if(pkt->pts >= pkt->dts)
695 pkt->pts = FFMAX(pkt->pts, max);
700 ost->last_mux_dts = pkt->dts;
702 ost->data_size += pkt->size;
703 ost->packets_written++;
705 pkt->stream_index = ost->index;
708 av_log(NULL, AV_LOG_INFO, "muxer <- type:%s "
709 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s size:%d\n",
710 av_get_media_type_string(ost->enc_ctx->codec_type),
711 av_ts2str(pkt->pts), av_ts2timestr(pkt->pts, &ost->st->time_base),
712 av_ts2str(pkt->dts), av_ts2timestr(pkt->dts, &ost->st->time_base),
717 ret = av_interleaved_write_frame(s, pkt);
719 print_error("av_interleaved_write_frame()", ret);
720 main_return_code = 1;
721 close_all_output_streams(ost, MUXER_FINISHED | ENCODER_FINISHED, ENCODER_FINISHED);
726 static void close_output_stream(OutputStream *ost)
728 OutputFile *of = output_files[ost->file_index];
730 ost->finished |= ENCODER_FINISHED;
732 int64_t end = av_rescale_q(ost->sync_opts - ost->first_pts, ost->enc_ctx->time_base, AV_TIME_BASE_Q);
733 of->recording_time = FFMIN(of->recording_time, end);
737 static int check_recording_time(OutputStream *ost)
739 OutputFile *of = output_files[ost->file_index];
741 if (of->recording_time != INT64_MAX &&
742 av_compare_ts(ost->sync_opts - ost->first_pts, ost->enc_ctx->time_base, of->recording_time,
743 AV_TIME_BASE_Q) >= 0) {
744 close_output_stream(ost);
750 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
753 AVCodecContext *enc = ost->enc_ctx;
757 av_init_packet(&pkt);
761 if (!check_recording_time(ost))
764 if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
765 frame->pts = ost->sync_opts;
766 ost->sync_opts = frame->pts + frame->nb_samples;
767 ost->samples_encoded += frame->nb_samples;
768 ost->frames_encoded++;
770 av_assert0(pkt.size || !pkt.data);
771 update_benchmark(NULL);
773 av_log(NULL, AV_LOG_INFO, "encoder <- type:audio "
774 "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
775 av_ts2str(frame->pts), av_ts2timestr(frame->pts, &enc->time_base),
776 enc->time_base.num, enc->time_base.den);
779 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
780 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed (avcodec_encode_audio2)\n");
783 update_benchmark("encode_audio %d.%d", ost->file_index, ost->index);
786 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
789 av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
790 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
791 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
792 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
795 write_frame(s, &pkt, ost);
799 static void do_subtitle_out(AVFormatContext *s,
804 int subtitle_out_max_size = 1024 * 1024;
805 int subtitle_out_size, nb, i;
810 if (sub->pts == AV_NOPTS_VALUE) {
811 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
820 subtitle_out = av_malloc(subtitle_out_max_size);
822 av_log(NULL, AV_LOG_FATAL, "Failed to allocate subtitle_out\n");
827 /* Note: DVB subtitle need one packet to draw them and one other
828 packet to clear them */
829 /* XXX: signal it in the codec context ? */
830 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
835 /* shift timestamp to honor -ss and make check_recording_time() work with -t */
837 if (output_files[ost->file_index]->start_time != AV_NOPTS_VALUE)
838 pts -= output_files[ost->file_index]->start_time;
839 for (i = 0; i < nb; i++) {
840 unsigned save_num_rects = sub->num_rects;
842 ost->sync_opts = av_rescale_q(pts, AV_TIME_BASE_Q, enc->time_base);
843 if (!check_recording_time(ost))
847 // start_display_time is required to be 0
848 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
849 sub->end_display_time -= sub->start_display_time;
850 sub->start_display_time = 0;
854 ost->frames_encoded++;
856 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
857 subtitle_out_max_size, sub);
859 sub->num_rects = save_num_rects;
860 if (subtitle_out_size < 0) {
861 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
865 av_init_packet(&pkt);
866 pkt.data = subtitle_out;
867 pkt.size = subtitle_out_size;
868 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
869 pkt.duration = av_rescale_q(sub->end_display_time, (AVRational){ 1, 1000 }, ost->st->time_base);
870 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
871 /* XXX: the pts correction is handled here. Maybe handling
872 it in the codec would be better */
874 pkt.pts += 90 * sub->start_display_time;
876 pkt.pts += 90 * sub->end_display_time;
879 write_frame(s, &pkt, ost);
883 static void do_video_out(AVFormatContext *s,
885 AVFrame *next_picture,
888 int ret, format_video_sync;
890 AVCodecContext *enc = ost->enc_ctx;
891 AVCodecContext *mux_enc = ost->st->codec;
892 int nb_frames, nb0_frames, i;
893 double delta, delta0;
896 InputStream *ist = NULL;
897 AVFilterContext *filter = ost->filter->filter;
899 if (ost->source_index >= 0)
900 ist = input_streams[ost->source_index];
902 if (filter->inputs[0]->frame_rate.num > 0 &&
903 filter->inputs[0]->frame_rate.den > 0)
904 duration = 1/(av_q2d(filter->inputs[0]->frame_rate) * av_q2d(enc->time_base));
906 if(ist && ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE && ost->frame_rate.num)
907 duration = FFMIN(duration, 1/(av_q2d(ost->frame_rate) * av_q2d(enc->time_base)));
909 if (!ost->filters_script &&
913 lrintf(av_frame_get_pkt_duration(next_picture) * av_q2d(ist->st->time_base) / av_q2d(enc->time_base)) > 0) {
914 duration = lrintf(av_frame_get_pkt_duration(next_picture) * av_q2d(ist->st->time_base) / av_q2d(enc->time_base));
917 delta0 = sync_ipts - ost->sync_opts;
918 delta = delta0 + duration;
920 /* by default, we output a single frame */
924 format_video_sync = video_sync_method;
925 if (format_video_sync == VSYNC_AUTO) {
926 if(!strcmp(s->oformat->name, "avi")) {
927 format_video_sync = VSYNC_VFR;
929 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : VSYNC_CFR;
931 && format_video_sync == VSYNC_CFR
932 && input_files[ist->file_index]->ctx->nb_streams == 1
933 && input_files[ist->file_index]->input_ts_offset == 0) {
934 format_video_sync = VSYNC_VSCFR;
936 if (format_video_sync == VSYNC_CFR && copy_ts) {
937 format_video_sync = VSYNC_VSCFR;
943 format_video_sync != VSYNC_PASSTHROUGH &&
944 format_video_sync != VSYNC_DROP) {
945 double cor = FFMIN(-delta0, duration);
947 av_log(NULL, AV_LOG_WARNING, "Past duration %f too large\n", -delta0);
949 av_log(NULL, AV_LOG_DEBUG, "Cliping frame in rate conversion by %f\n", -delta0);
955 switch (format_video_sync) {
957 if (ost->frame_number == 0 && delta - duration >= 0.5) {
958 av_log(NULL, AV_LOG_DEBUG, "Not duplicating %d initial frames\n", (int)lrintf(delta - duration));
961 ost->sync_opts = lrint(sync_ipts);
964 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
965 if (frame_drop_threshold && delta < frame_drop_threshold && ost->frame_number) {
967 } else if (delta < -1.1)
969 else if (delta > 1.1) {
970 nb_frames = lrintf(delta);
972 nb0_frames = lrintf(delta0 - 0.6);
978 else if (delta > 0.6)
979 ost->sync_opts = lrint(sync_ipts);
982 case VSYNC_PASSTHROUGH:
983 ost->sync_opts = lrint(sync_ipts);
989 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
990 nb0_frames = FFMIN(nb0_frames, nb_frames);
991 if (nb0_frames == 0 && ost->last_droped) {
993 av_log(NULL, AV_LOG_VERBOSE,
994 "*** dropping frame %d from stream %d at ts %"PRId64"\n",
995 ost->frame_number, ost->st->index, ost->last_frame->pts);
997 if (nb_frames > (nb0_frames && ost->last_droped) + (nb_frames > nb0_frames)) {
998 if (nb_frames > dts_error_threshold * 30) {
999 av_log(NULL, AV_LOG_ERROR, "%d frame duplication too large, skipping\n", nb_frames - 1);
1003 nb_frames_dup += nb_frames - (nb0_frames && ost->last_droped) - (nb_frames > nb0_frames);
1004 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
1006 ost->last_droped = nb_frames == nb0_frames;
1008 /* duplicates frame if needed */
1009 for (i = 0; i < nb_frames; i++) {
1010 AVFrame *in_picture;
1011 av_init_packet(&pkt);
1015 if (i < nb0_frames && ost->last_frame) {
1016 in_picture = ost->last_frame;
1018 in_picture = next_picture;
1020 in_picture->pts = ost->sync_opts;
1023 if (!check_recording_time(ost))
1025 if (ost->frame_number >= ost->max_frames)
1029 if (s->oformat->flags & AVFMT_RAWPICTURE &&
1030 enc->codec->id == AV_CODEC_ID_RAWVIDEO) {
1031 /* raw pictures are written as AVPicture structure to
1032 avoid any copies. We support temporarily the older
1034 if (in_picture->interlaced_frame)
1035 mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
1037 mux_enc->field_order = AV_FIELD_PROGRESSIVE;
1038 pkt.data = (uint8_t *)in_picture;
1039 pkt.size = sizeof(AVPicture);
1040 pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
1041 pkt.flags |= AV_PKT_FLAG_KEY;
1043 write_frame(s, &pkt, ost);
1045 int got_packet, forced_keyframe = 0;
1048 if (enc->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME) &&
1049 ost->top_field_first >= 0)
1050 in_picture->top_field_first = !!ost->top_field_first;
1052 if (in_picture->interlaced_frame) {
1053 if (enc->codec->id == AV_CODEC_ID_MJPEG)
1054 mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TT:AV_FIELD_BB;
1056 mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
1058 mux_enc->field_order = AV_FIELD_PROGRESSIVE;
1060 in_picture->quality = enc->global_quality;
1061 in_picture->pict_type = 0;
1063 pts_time = in_picture->pts != AV_NOPTS_VALUE ?
1064 in_picture->pts * av_q2d(enc->time_base) : NAN;
1065 if (ost->forced_kf_index < ost->forced_kf_count &&
1066 in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1067 ost->forced_kf_index++;
1068 forced_keyframe = 1;
1069 } else if (ost->forced_keyframes_pexpr) {
1071 ost->forced_keyframes_expr_const_values[FKF_T] = pts_time;
1072 res = av_expr_eval(ost->forced_keyframes_pexpr,
1073 ost->forced_keyframes_expr_const_values, NULL);
1074 av_dlog(NULL, "force_key_frame: n:%f n_forced:%f prev_forced_n:%f t:%f prev_forced_t:%f -> res:%f\n",
1075 ost->forced_keyframes_expr_const_values[FKF_N],
1076 ost->forced_keyframes_expr_const_values[FKF_N_FORCED],
1077 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N],
1078 ost->forced_keyframes_expr_const_values[FKF_T],
1079 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T],
1082 forced_keyframe = 1;
1083 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] =
1084 ost->forced_keyframes_expr_const_values[FKF_N];
1085 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] =
1086 ost->forced_keyframes_expr_const_values[FKF_T];
1087 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] += 1;
1090 ost->forced_keyframes_expr_const_values[FKF_N] += 1;
1093 if (forced_keyframe) {
1094 in_picture->pict_type = AV_PICTURE_TYPE_I;
1095 av_log(NULL, AV_LOG_DEBUG, "Forced keyframe at time %f\n", pts_time);
1098 update_benchmark(NULL);
1100 av_log(NULL, AV_LOG_INFO, "encoder <- type:video "
1101 "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
1102 av_ts2str(in_picture->pts), av_ts2timestr(in_picture->pts, &enc->time_base),
1103 enc->time_base.num, enc->time_base.den);
1106 ost->frames_encoded++;
1108 ret = avcodec_encode_video2(enc, &pkt, in_picture, &got_packet);
1109 update_benchmark("encode_video %d.%d", ost->file_index, ost->index);
1111 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1117 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1118 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1119 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &enc->time_base),
1120 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &enc->time_base));
1123 if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY))
1124 pkt.pts = ost->sync_opts;
1126 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
1129 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1130 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1131 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
1132 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
1135 frame_size = pkt.size;
1136 write_frame(s, &pkt, ost);
1138 /* if two pass, output log */
1139 if (ost->logfile && enc->stats_out) {
1140 fprintf(ost->logfile, "%s", enc->stats_out);
1146 * For video, number of frames in == number of packets out.
1147 * But there may be reordering, so we can't throw away frames on encoder
1148 * flush, we need to limit them here, before they go into encoder.
1150 ost->frame_number++;
1152 if (vstats_filename && frame_size)
1153 do_video_stats(ost, frame_size);
1156 if (!ost->last_frame)
1157 ost->last_frame = av_frame_alloc();
1158 av_frame_unref(ost->last_frame);
1159 av_frame_ref(ost->last_frame, next_picture);
1162 static double psnr(double d)
1164 return -10.0 * log(d) / log(10.0);
1167 static void do_video_stats(OutputStream *ost, int frame_size)
1169 AVCodecContext *enc;
1171 double ti1, bitrate, avg_bitrate;
1173 /* this is executed just the first time do_video_stats is called */
1175 vstats_file = fopen(vstats_filename, "w");
1183 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1184 frame_number = ost->st->nb_frames;
1185 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
1186 if (enc->flags&CODEC_FLAG_PSNR)
1187 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1189 fprintf(vstats_file,"f_size= %6d ", frame_size);
1190 /* compute pts value */
1191 ti1 = av_stream_get_end_pts(ost->st) * av_q2d(ost->st->time_base);
1195 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1196 avg_bitrate = (double)(ost->data_size * 8) / ti1 / 1000.0;
1197 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1198 (double)ost->data_size / 1024, ti1, bitrate, avg_bitrate);
1199 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1203 static void finish_output_stream(OutputStream *ost)
1205 OutputFile *of = output_files[ost->file_index];
1208 ost->finished = ENCODER_FINISHED | MUXER_FINISHED;
1211 for (i = 0; i < of->ctx->nb_streams; i++)
1212 output_streams[of->ost_index + i]->finished = ENCODER_FINISHED | MUXER_FINISHED;
1217 * Get and encode new output from any of the filtergraphs, without causing
1220 * @return 0 for success, <0 for severe errors
1222 static int reap_filters(void)
1224 AVFrame *filtered_frame = NULL;
1227 /* Reap all buffers present in the buffer sinks */
1228 for (i = 0; i < nb_output_streams; i++) {
1229 OutputStream *ost = output_streams[i];
1230 OutputFile *of = output_files[ost->file_index];
1231 AVFilterContext *filter;
1232 AVCodecContext *enc = ost->enc_ctx;
1237 filter = ost->filter->filter;
1239 if (!ost->filtered_frame && !(ost->filtered_frame = av_frame_alloc())) {
1240 return AVERROR(ENOMEM);
1242 filtered_frame = ost->filtered_frame;
1245 double float_pts = AV_NOPTS_VALUE; // this is identical to filtered_frame.pts but with higher precision
1246 ret = av_buffersink_get_frame_flags(filter, filtered_frame,
1247 AV_BUFFERSINK_FLAG_NO_REQUEST);
1249 if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
1250 av_log(NULL, AV_LOG_WARNING,
1251 "Error in av_buffersink_get_frame_flags(): %s\n", av_err2str(ret));
1255 if (ost->finished) {
1256 av_frame_unref(filtered_frame);
1259 if (filtered_frame->pts != AV_NOPTS_VALUE) {
1260 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1261 AVRational tb = enc->time_base;
1262 int extra_bits = av_clip(29 - av_log2(tb.den), 0, 16);
1264 tb.den <<= extra_bits;
1266 av_rescale_q(filtered_frame->pts, filter->inputs[0]->time_base, tb) -
1267 av_rescale_q(start_time, AV_TIME_BASE_Q, tb);
1268 float_pts /= 1 << extra_bits;
1269 // avoid exact midoints to reduce the chance of rounding differences, this can be removed in case the fps code is changed to work with integers
1270 float_pts += FFSIGN(float_pts) * 1.0 / (1<<17);
1272 filtered_frame->pts =
1273 av_rescale_q(filtered_frame->pts, filter->inputs[0]->time_base, enc->time_base) -
1274 av_rescale_q(start_time, AV_TIME_BASE_Q, enc->time_base);
1276 //if (ost->source_index >= 0)
1277 // *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold
1279 switch (filter->inputs[0]->type) {
1280 case AVMEDIA_TYPE_VIDEO:
1281 if (!ost->frame_aspect_ratio.num)
1282 enc->sample_aspect_ratio = filtered_frame->sample_aspect_ratio;
1285 av_log(NULL, AV_LOG_INFO, "filter -> pts:%s pts_time:%s exact:%f time_base:%d/%d\n",
1286 av_ts2str(filtered_frame->pts), av_ts2timestr(filtered_frame->pts, &enc->time_base),
1288 enc->time_base.num, enc->time_base.den);
1291 do_video_out(of->ctx, ost, filtered_frame, float_pts);
1293 case AVMEDIA_TYPE_AUDIO:
1294 if (!(enc->codec->capabilities & CODEC_CAP_PARAM_CHANGE) &&
1295 enc->channels != av_frame_get_channels(filtered_frame)) {
1296 av_log(NULL, AV_LOG_ERROR,
1297 "Audio filter graph output is not normalized and encoder does not support parameter changes\n");
1300 do_audio_out(of->ctx, ost, filtered_frame);
1303 // TODO support subtitle filters
1307 av_frame_unref(filtered_frame);
1314 static void print_final_stats(int64_t total_size)
1316 uint64_t video_size = 0, audio_size = 0, extra_size = 0, other_size = 0;
1317 uint64_t subtitle_size = 0;
1318 uint64_t data_size = 0;
1319 float percent = -1.0;
1322 for (i = 0; i < nb_output_streams; i++) {
1323 OutputStream *ost = output_streams[i];
1324 switch (ost->enc_ctx->codec_type) {
1325 case AVMEDIA_TYPE_VIDEO: video_size += ost->data_size; break;
1326 case AVMEDIA_TYPE_AUDIO: audio_size += ost->data_size; break;
1327 case AVMEDIA_TYPE_SUBTITLE: subtitle_size += ost->data_size; break;
1328 default: other_size += ost->data_size; break;
1330 extra_size += ost->enc_ctx->extradata_size;
1331 data_size += ost->data_size;
1334 if (data_size && total_size>0 && total_size >= data_size)
1335 percent = 100.0 * (total_size - data_size) / data_size;
1337 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB subtitle:%1.0fkB other streams:%1.0fkB global headers:%1.0fkB muxing overhead: ",
1338 video_size / 1024.0,
1339 audio_size / 1024.0,
1340 subtitle_size / 1024.0,
1341 other_size / 1024.0,
1342 extra_size / 1024.0);
1344 av_log(NULL, AV_LOG_INFO, "%f%%", percent);
1346 av_log(NULL, AV_LOG_INFO, "unknown");
1347 av_log(NULL, AV_LOG_INFO, "\n");
1349 /* print verbose per-stream stats */
1350 for (i = 0; i < nb_input_files; i++) {
1351 InputFile *f = input_files[i];
1352 uint64_t total_packets = 0, total_size = 0;
1354 av_log(NULL, AV_LOG_VERBOSE, "Input file #%d (%s):\n",
1355 i, f->ctx->filename);
1357 for (j = 0; j < f->nb_streams; j++) {
1358 InputStream *ist = input_streams[f->ist_index + j];
1359 enum AVMediaType type = ist->dec_ctx->codec_type;
1361 total_size += ist->data_size;
1362 total_packets += ist->nb_packets;
1364 av_log(NULL, AV_LOG_VERBOSE, " Input stream #%d:%d (%s): ",
1365 i, j, media_type_string(type));
1366 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets read (%"PRIu64" bytes); ",
1367 ist->nb_packets, ist->data_size);
1369 if (ist->decoding_needed) {
1370 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames decoded",
1371 ist->frames_decoded);
1372 if (type == AVMEDIA_TYPE_AUDIO)
1373 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ist->samples_decoded);
1374 av_log(NULL, AV_LOG_VERBOSE, "; ");
1377 av_log(NULL, AV_LOG_VERBOSE, "\n");
1380 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) demuxed\n",
1381 total_packets, total_size);
1384 for (i = 0; i < nb_output_files; i++) {
1385 OutputFile *of = output_files[i];
1386 uint64_t total_packets = 0, total_size = 0;
1388 av_log(NULL, AV_LOG_VERBOSE, "Output file #%d (%s):\n",
1389 i, of->ctx->filename);
1391 for (j = 0; j < of->ctx->nb_streams; j++) {
1392 OutputStream *ost = output_streams[of->ost_index + j];
1393 enum AVMediaType type = ost->enc_ctx->codec_type;
1395 total_size += ost->data_size;
1396 total_packets += ost->packets_written;
1398 av_log(NULL, AV_LOG_VERBOSE, " Output stream #%d:%d (%s): ",
1399 i, j, media_type_string(type));
1400 if (ost->encoding_needed) {
1401 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames encoded",
1402 ost->frames_encoded);
1403 if (type == AVMEDIA_TYPE_AUDIO)
1404 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ost->samples_encoded);
1405 av_log(NULL, AV_LOG_VERBOSE, "; ");
1408 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets muxed (%"PRIu64" bytes); ",
1409 ost->packets_written, ost->data_size);
1411 av_log(NULL, AV_LOG_VERBOSE, "\n");
1414 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) muxed\n",
1415 total_packets, total_size);
1417 if(video_size + data_size + audio_size + subtitle_size + extra_size == 0){
1418 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n");
1422 static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time)
1425 AVBPrint buf_script;
1427 AVFormatContext *oc;
1429 AVCodecContext *enc;
1430 int frame_number, vid, i;
1432 int64_t pts = INT64_MIN;
1433 static int64_t last_time = -1;
1434 static int qp_histogram[52];
1435 int hours, mins, secs, us;
1437 if (!print_stats && !is_last_report && !progress_avio)
1440 if (!is_last_report) {
1441 if (last_time == -1) {
1442 last_time = cur_time;
1445 if ((cur_time - last_time) < 500000)
1447 last_time = cur_time;
1451 oc = output_files[0]->ctx;
1453 total_size = avio_size(oc->pb);
1454 if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too
1455 total_size = avio_tell(oc->pb);
1459 av_bprint_init(&buf_script, 0, 1);
1460 for (i = 0; i < nb_output_streams; i++) {
1462 ost = output_streams[i];
1464 if (!ost->stream_copy && enc->coded_frame)
1465 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1466 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1467 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1468 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1469 ost->file_index, ost->index, q);
1471 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1472 float fps, t = (cur_time-timer_start) / 1000000.0;
1474 frame_number = ost->frame_number;
1475 fps = t > 1 ? frame_number / t : 0;
1476 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ",
1477 frame_number, fps < 9.95, fps, q);
1478 av_bprintf(&buf_script, "frame=%d\n", frame_number);
1479 av_bprintf(&buf_script, "fps=%.1f\n", fps);
1480 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1481 ost->file_index, ost->index, q);
1483 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1487 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1489 for (j = 0; j < 32; j++)
1490 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1)));
1492 if ((enc->flags&CODEC_FLAG_PSNR) && (enc->coded_frame || is_last_report)) {
1494 double error, error_sum = 0;
1495 double scale, scale_sum = 0;
1497 char type[3] = { 'Y','U','V' };
1498 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1499 for (j = 0; j < 3; j++) {
1500 if (is_last_report) {
1501 error = enc->error[j];
1502 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1504 error = enc->coded_frame->error[j];
1505 scale = enc->width * enc->height * 255.0 * 255.0;
1511 p = psnr(error / scale);
1512 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], p);
1513 av_bprintf(&buf_script, "stream_%d_%d_psnr_%c=%2.2f\n",
1514 ost->file_index, ost->index, type[j] | 32, p);
1516 p = psnr(error_sum / scale_sum);
1517 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1518 av_bprintf(&buf_script, "stream_%d_%d_psnr_all=%2.2f\n",
1519 ost->file_index, ost->index, p);
1523 /* compute min output value */
1524 if (av_stream_get_end_pts(ost->st) != AV_NOPTS_VALUE)
1525 pts = FFMAX(pts, av_rescale_q(av_stream_get_end_pts(ost->st),
1526 ost->st->time_base, AV_TIME_BASE_Q));
1528 nb_frames_drop += ost->last_droped;
1531 secs = pts / AV_TIME_BASE;
1532 us = pts % AV_TIME_BASE;
1538 bitrate = pts && total_size >= 0 ? total_size * 8 / (pts / 1000.0) : -1;
1540 if (total_size < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1542 else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1543 "size=%8.0fkB time=", total_size / 1024.0);
1544 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1545 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1546 (100 * us) / AV_TIME_BASE);
1549 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),"bitrate=N/A");
1550 av_bprintf(&buf_script, "bitrate=N/A\n");
1552 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),"bitrate=%6.1fkbits/s", bitrate);
1553 av_bprintf(&buf_script, "bitrate=%6.1fkbits/s\n", bitrate);
1556 if (total_size < 0) av_bprintf(&buf_script, "total_size=N/A\n");
1557 else av_bprintf(&buf_script, "total_size=%"PRId64"\n", total_size);
1558 av_bprintf(&buf_script, "out_time_ms=%"PRId64"\n", pts);
1559 av_bprintf(&buf_script, "out_time=%02d:%02d:%02d.%06d\n",
1560 hours, mins, secs, us);
1562 if (nb_frames_dup || nb_frames_drop)
1563 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1564 nb_frames_dup, nb_frames_drop);
1565 av_bprintf(&buf_script, "dup_frames=%d\n", nb_frames_dup);
1566 av_bprintf(&buf_script, "drop_frames=%d\n", nb_frames_drop);
1568 if (print_stats || is_last_report) {
1569 const char end = is_last_report ? '\n' : '\r';
1570 if (print_stats==1 && AV_LOG_INFO > av_log_get_level()) {
1571 fprintf(stderr, "%s %c", buf, end);
1573 av_log(NULL, AV_LOG_INFO, "%s %c", buf, end);
1578 if (progress_avio) {
1579 av_bprintf(&buf_script, "progress=%s\n",
1580 is_last_report ? "end" : "continue");
1581 avio_write(progress_avio, buf_script.str,
1582 FFMIN(buf_script.len, buf_script.size - 1));
1583 avio_flush(progress_avio);
1584 av_bprint_finalize(&buf_script, NULL);
1585 if (is_last_report) {
1586 avio_closep(&progress_avio);
1591 print_final_stats(total_size);
1594 static void flush_encoders(void)
1598 for (i = 0; i < nb_output_streams; i++) {
1599 OutputStream *ost = output_streams[i];
1600 AVCodecContext *enc = ost->enc_ctx;
1601 AVFormatContext *os = output_files[ost->file_index]->ctx;
1602 int stop_encoding = 0;
1604 if (!ost->encoding_needed)
1607 if (enc->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1609 if (enc->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
1613 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
1616 switch (enc->codec_type) {
1617 case AVMEDIA_TYPE_AUDIO:
1618 encode = avcodec_encode_audio2;
1621 case AVMEDIA_TYPE_VIDEO:
1622 encode = avcodec_encode_video2;
1633 av_init_packet(&pkt);
1637 update_benchmark(NULL);
1638 ret = encode(enc, &pkt, NULL, &got_packet);
1639 update_benchmark("flush %s %d.%d", desc, ost->file_index, ost->index);
1641 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
1644 if (ost->logfile && enc->stats_out) {
1645 fprintf(ost->logfile, "%s", enc->stats_out);
1651 if (ost->finished & MUXER_FINISHED) {
1652 av_free_packet(&pkt);
1655 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
1656 pkt_size = pkt.size;
1657 write_frame(os, &pkt, ost);
1658 if (ost->enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO && vstats_filename) {
1659 do_video_stats(ost, pkt_size);
1670 * Check whether a packet from ist should be written into ost at this time
1672 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1674 OutputFile *of = output_files[ost->file_index];
1675 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
1677 if (ost->source_index != ist_index)
1683 if (of->start_time != AV_NOPTS_VALUE && ist->pts < of->start_time)
1689 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1691 OutputFile *of = output_files[ost->file_index];
1692 InputFile *f = input_files [ist->file_index];
1693 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1694 int64_t ost_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1695 int64_t ist_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ist->st->time_base);
1699 av_init_packet(&opkt);
1701 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1702 !ost->copy_initial_nonkeyframes)
1705 if (pkt->pts == AV_NOPTS_VALUE) {
1706 if (!ost->frame_number && ist->pts < start_time &&
1707 !ost->copy_prior_start)
1710 if (!ost->frame_number && pkt->pts < ist_tb_start_time &&
1711 !ost->copy_prior_start)
1715 if (of->recording_time != INT64_MAX &&
1716 ist->pts >= of->recording_time + start_time) {
1717 close_output_stream(ost);
1721 if (f->recording_time != INT64_MAX) {
1722 start_time = f->ctx->start_time;
1723 if (f->start_time != AV_NOPTS_VALUE)
1724 start_time += f->start_time;
1725 if (ist->pts >= f->recording_time + start_time) {
1726 close_output_stream(ost);
1731 /* force the input stream PTS */
1732 if (ost->enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO)
1735 if (pkt->pts != AV_NOPTS_VALUE)
1736 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1738 opkt.pts = AV_NOPTS_VALUE;
1740 if (pkt->dts == AV_NOPTS_VALUE)
1741 opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base);
1743 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1744 opkt.dts -= ost_tb_start_time;
1746 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && pkt->dts != AV_NOPTS_VALUE) {
1747 int duration = av_get_audio_frame_duration(ist->dec_ctx, pkt->size);
1749 duration = ist->dec_ctx->frame_size;
1750 opkt.dts = opkt.pts = av_rescale_delta(ist->st->time_base, pkt->dts,
1751 (AVRational){1, ist->dec_ctx->sample_rate}, duration, &ist->filter_in_rescale_delta_last,
1752 ost->st->time_base) - ost_tb_start_time;
1755 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1756 opkt.flags = pkt->flags;
1758 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1759 if ( ost->enc_ctx->codec_id != AV_CODEC_ID_H264
1760 && ost->enc_ctx->codec_id != AV_CODEC_ID_MPEG1VIDEO
1761 && ost->enc_ctx->codec_id != AV_CODEC_ID_MPEG2VIDEO
1762 && ost->enc_ctx->codec_id != AV_CODEC_ID_VC1
1764 if (av_parser_change(ost->parser, ost->st->codec,
1765 &opkt.data, &opkt.size,
1766 pkt->data, pkt->size,
1767 pkt->flags & AV_PKT_FLAG_KEY)) {
1768 opkt.buf = av_buffer_create(opkt.data, opkt.size, av_buffer_default_free, NULL, 0);
1773 opkt.data = pkt->data;
1774 opkt.size = pkt->size;
1776 av_copy_packet_side_data(&opkt, pkt);
1778 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (of->ctx->oformat->flags & AVFMT_RAWPICTURE)) {
1779 /* store AVPicture in AVPacket, as expected by the output format */
1780 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1781 opkt.data = (uint8_t *)&pict;
1782 opkt.size = sizeof(AVPicture);
1783 opkt.flags |= AV_PKT_FLAG_KEY;
1786 write_frame(of->ctx, &opkt, ost);
1789 int guess_input_channel_layout(InputStream *ist)
1791 AVCodecContext *dec = ist->dec_ctx;
1793 if (!dec->channel_layout) {
1794 char layout_name[256];
1796 if (dec->channels > ist->guess_layout_max)
1798 dec->channel_layout = av_get_default_channel_layout(dec->channels);
1799 if (!dec->channel_layout)
1801 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1802 dec->channels, dec->channel_layout);
1803 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
1804 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
1809 static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1811 AVFrame *decoded_frame, *f;
1812 AVCodecContext *avctx = ist->dec_ctx;
1813 int i, ret, err = 0, resample_changed;
1814 AVRational decoded_frame_tb;
1816 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1817 return AVERROR(ENOMEM);
1818 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1819 return AVERROR(ENOMEM);
1820 decoded_frame = ist->decoded_frame;
1822 update_benchmark(NULL);
1823 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1824 update_benchmark("decode_audio %d.%d", ist->file_index, ist->st->index);
1826 if (ret >= 0 && avctx->sample_rate <= 0) {
1827 av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate);
1828 ret = AVERROR_INVALIDDATA;
1831 if (*got_output || ret<0 || pkt->size)
1832 decode_error_stat[ret<0] ++;
1834 if (!*got_output || ret < 0) {
1836 for (i = 0; i < ist->nb_filters; i++)
1838 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
1840 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
1846 ist->samples_decoded += decoded_frame->nb_samples;
1847 ist->frames_decoded++;
1850 /* increment next_dts to use for the case where the input stream does not
1851 have timestamps or there are multiple frames in the packet */
1852 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1854 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1858 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
1859 ist->resample_channels != avctx->channels ||
1860 ist->resample_channel_layout != decoded_frame->channel_layout ||
1861 ist->resample_sample_rate != decoded_frame->sample_rate;
1862 if (resample_changed) {
1863 char layout1[64], layout2[64];
1865 if (!guess_input_channel_layout(ist)) {
1866 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
1867 "layout for Input Stream #%d.%d\n", ist->file_index,
1871 decoded_frame->channel_layout = avctx->channel_layout;
1873 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
1874 ist->resample_channel_layout);
1875 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
1876 decoded_frame->channel_layout);
1878 av_log(NULL, AV_LOG_INFO,
1879 "Input stream #%d:%d frame changed from rate:%d fmt:%s ch:%d chl:%s to rate:%d fmt:%s ch:%d chl:%s\n",
1880 ist->file_index, ist->st->index,
1881 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
1882 ist->resample_channels, layout1,
1883 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
1884 avctx->channels, layout2);
1886 ist->resample_sample_fmt = decoded_frame->format;
1887 ist->resample_sample_rate = decoded_frame->sample_rate;
1888 ist->resample_channel_layout = decoded_frame->channel_layout;
1889 ist->resample_channels = avctx->channels;
1891 for (i = 0; i < nb_filtergraphs; i++)
1892 if (ist_in_filtergraph(filtergraphs[i], ist)) {
1893 FilterGraph *fg = filtergraphs[i];
1894 if (configure_filtergraph(fg) < 0) {
1895 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1901 /* if the decoder provides a pts, use it instead of the last packet pts.
1902 the decoder could be delaying output by a packet or more. */
1903 if (decoded_frame->pts != AV_NOPTS_VALUE) {
1904 ist->dts = ist->next_dts = ist->pts = ist->next_pts = av_rescale_q(decoded_frame->pts, avctx->time_base, AV_TIME_BASE_Q);
1905 decoded_frame_tb = avctx->time_base;
1906 } else if (decoded_frame->pkt_pts != AV_NOPTS_VALUE) {
1907 decoded_frame->pts = decoded_frame->pkt_pts;
1908 decoded_frame_tb = ist->st->time_base;
1909 } else if (pkt->pts != AV_NOPTS_VALUE) {
1910 decoded_frame->pts = pkt->pts;
1911 decoded_frame_tb = ist->st->time_base;
1913 decoded_frame->pts = ist->dts;
1914 decoded_frame_tb = AV_TIME_BASE_Q;
1916 pkt->pts = AV_NOPTS_VALUE;
1917 if (decoded_frame->pts != AV_NOPTS_VALUE)
1918 decoded_frame->pts = av_rescale_delta(decoded_frame_tb, decoded_frame->pts,
1919 (AVRational){1, avctx->sample_rate}, decoded_frame->nb_samples, &ist->filter_in_rescale_delta_last,
1920 (AVRational){1, avctx->sample_rate});
1921 for (i = 0; i < ist->nb_filters; i++) {
1922 if (i < ist->nb_filters - 1) {
1923 f = ist->filter_frame;
1924 err = av_frame_ref(f, decoded_frame);
1929 err = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f,
1930 AV_BUFFERSRC_FLAG_PUSH);
1931 if (err == AVERROR_EOF)
1932 err = 0; /* ignore */
1936 decoded_frame->pts = AV_NOPTS_VALUE;
1938 av_frame_unref(ist->filter_frame);
1939 av_frame_unref(decoded_frame);
1940 return err < 0 ? err : ret;
1943 static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
1945 AVFrame *decoded_frame, *f;
1946 int i, ret = 0, err = 0, resample_changed;
1947 int64_t best_effort_timestamp;
1948 AVRational *frame_sample_aspect;
1950 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1951 return AVERROR(ENOMEM);
1952 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1953 return AVERROR(ENOMEM);
1954 decoded_frame = ist->decoded_frame;
1955 pkt->dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base);
1957 update_benchmark(NULL);
1958 ret = avcodec_decode_video2(ist->dec_ctx,
1959 decoded_frame, got_output, pkt);
1960 update_benchmark("decode_video %d.%d", ist->file_index, ist->st->index);
1962 // The following line may be required in some cases where there is no parser
1963 // or the parser does not has_b_frames correctly
1964 if (ist->st->codec->has_b_frames < ist->dec_ctx->has_b_frames) {
1965 if (ist->dec_ctx->codec_id == AV_CODEC_ID_H264) {
1966 ist->st->codec->has_b_frames = ist->dec_ctx->has_b_frames;
1968 av_log_ask_for_sample(
1970 "has_b_frames is larger in decoder than demuxer %d > %d ",
1971 ist->dec_ctx->has_b_frames,
1972 ist->st->codec->has_b_frames
1976 if (*got_output || ret<0 || pkt->size)
1977 decode_error_stat[ret<0] ++;
1979 if (*got_output && ret >= 0) {
1980 if (ist->dec_ctx->width != decoded_frame->width ||
1981 ist->dec_ctx->height != decoded_frame->height ||
1982 ist->dec_ctx->pix_fmt != decoded_frame->format) {
1983 av_log(NULL, AV_LOG_DEBUG, "Frame parameters mismatch context %d,%d,%d != %d,%d,%d\n",
1984 decoded_frame->width,
1985 decoded_frame->height,
1986 decoded_frame->format,
1987 ist->dec_ctx->width,
1988 ist->dec_ctx->height,
1989 ist->dec_ctx->pix_fmt);
1993 if (!*got_output || ret < 0) {
1995 for (i = 0; i < ist->nb_filters; i++)
1997 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
1999 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
2005 if(ist->top_field_first>=0)
2006 decoded_frame->top_field_first = ist->top_field_first;
2008 ist->frames_decoded++;
2010 if (ist->hwaccel_retrieve_data && decoded_frame->format == ist->hwaccel_pix_fmt) {
2011 err = ist->hwaccel_retrieve_data(ist->dec_ctx, decoded_frame);
2015 ist->hwaccel_retrieved_pix_fmt = decoded_frame->format;
2017 best_effort_timestamp= av_frame_get_best_effort_timestamp(decoded_frame);
2018 if(best_effort_timestamp != AV_NOPTS_VALUE)
2019 ist->next_pts = ist->pts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q);
2022 av_log(NULL, AV_LOG_INFO, "decoder -> ist_index:%d type:video "
2023 "frame_pts:%s frame_pts_time:%s best_effort_ts:%"PRId64" best_effort_ts_time:%s keyframe:%d frame_type:%d time_base:%d/%d\n",
2024 ist->st->index, av_ts2str(decoded_frame->pts),
2025 av_ts2timestr(decoded_frame->pts, &ist->st->time_base),
2026 best_effort_timestamp,
2027 av_ts2timestr(best_effort_timestamp, &ist->st->time_base),
2028 decoded_frame->key_frame, decoded_frame->pict_type,
2029 ist->st->time_base.num, ist->st->time_base.den);
2034 if (ist->st->sample_aspect_ratio.num)
2035 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
2037 resample_changed = ist->resample_width != decoded_frame->width ||
2038 ist->resample_height != decoded_frame->height ||
2039 ist->resample_pix_fmt != decoded_frame->format;
2040 if (resample_changed) {
2041 av_log(NULL, AV_LOG_INFO,
2042 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
2043 ist->file_index, ist->st->index,
2044 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
2045 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
2047 ist->resample_width = decoded_frame->width;
2048 ist->resample_height = decoded_frame->height;
2049 ist->resample_pix_fmt = decoded_frame->format;
2051 for (i = 0; i < nb_filtergraphs; i++) {
2052 if (ist_in_filtergraph(filtergraphs[i], ist) && ist->reinit_filters &&
2053 configure_filtergraph(filtergraphs[i]) < 0) {
2054 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
2060 frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
2061 for (i = 0; i < ist->nb_filters; i++) {
2062 if (!frame_sample_aspect->num)
2063 *frame_sample_aspect = ist->st->sample_aspect_ratio;
2065 if (i < ist->nb_filters - 1) {
2066 f = ist->filter_frame;
2067 err = av_frame_ref(f, decoded_frame);
2072 ret = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f, AV_BUFFERSRC_FLAG_PUSH);
2073 if (ret == AVERROR_EOF) {
2074 ret = 0; /* ignore */
2075 } else if (ret < 0) {
2076 av_log(NULL, AV_LOG_FATAL,
2077 "Failed to inject frame into filter network: %s\n", av_err2str(ret));
2083 av_frame_unref(ist->filter_frame);
2084 av_frame_unref(decoded_frame);
2085 return err < 0 ? err : ret;
2088 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
2090 AVSubtitle subtitle;
2091 int i, ret = avcodec_decode_subtitle2(ist->dec_ctx,
2092 &subtitle, got_output, pkt);
2094 if (*got_output || ret<0 || pkt->size)
2095 decode_error_stat[ret<0] ++;
2097 if (ret < 0 || !*got_output) {
2099 sub2video_flush(ist);
2103 if (ist->fix_sub_duration) {
2105 if (ist->prev_sub.got_output) {
2106 end = av_rescale(subtitle.pts - ist->prev_sub.subtitle.pts,
2107 1000, AV_TIME_BASE);
2108 if (end < ist->prev_sub.subtitle.end_display_time) {
2109 av_log(ist->dec_ctx, AV_LOG_DEBUG,
2110 "Subtitle duration reduced from %d to %d%s\n",
2111 ist->prev_sub.subtitle.end_display_time, end,
2112 end <= 0 ? ", dropping it" : "");
2113 ist->prev_sub.subtitle.end_display_time = end;
2116 FFSWAP(int, *got_output, ist->prev_sub.got_output);
2117 FFSWAP(int, ret, ist->prev_sub.ret);
2118 FFSWAP(AVSubtitle, subtitle, ist->prev_sub.subtitle);
2126 sub2video_update(ist, &subtitle);
2128 if (!subtitle.num_rects)
2131 ist->frames_decoded++;
2133 for (i = 0; i < nb_output_streams; i++) {
2134 OutputStream *ost = output_streams[i];
2136 if (!check_output_constraints(ist, ost) || !ost->encoding_needed
2137 || ost->enc->type != AVMEDIA_TYPE_SUBTITLE)
2140 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle);
2144 avsubtitle_free(&subtitle);
2148 /* pkt = NULL means EOF (needed to flush decoder buffers) */
2149 static int process_input_packet(InputStream *ist, const AVPacket *pkt)
2155 if (!ist->saw_first_ts) {
2156 ist->dts = ist->st->avg_frame_rate.num ? - ist->dec_ctx->has_b_frames * AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
2158 if (pkt && pkt->pts != AV_NOPTS_VALUE && !ist->decoding_needed) {
2159 ist->dts += av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2160 ist->pts = ist->dts; //unused but better to set it to a value thats not totally wrong
2162 ist->saw_first_ts = 1;
2165 if (ist->next_dts == AV_NOPTS_VALUE)
2166 ist->next_dts = ist->dts;
2167 if (ist->next_pts == AV_NOPTS_VALUE)
2168 ist->next_pts = ist->pts;
2172 av_init_packet(&avpkt);
2180 if (pkt->dts != AV_NOPTS_VALUE) {
2181 ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2182 if (ist->dec_ctx->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
2183 ist->next_pts = ist->pts = ist->dts;
2186 // while we have more to decode or while the decoder did output something on EOF
2187 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
2191 ist->pts = ist->next_pts;
2192 ist->dts = ist->next_dts;
2194 if (avpkt.size && avpkt.size != pkt->size &&
2195 !(ist->dec->capabilities & CODEC_CAP_SUBFRAMES)) {
2196 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2197 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
2198 ist->showed_multi_packet_warning = 1;
2201 switch (ist->dec_ctx->codec_type) {
2202 case AVMEDIA_TYPE_AUDIO:
2203 ret = decode_audio (ist, &avpkt, &got_output);
2205 case AVMEDIA_TYPE_VIDEO:
2206 ret = decode_video (ist, &avpkt, &got_output);
2207 if (avpkt.duration) {
2208 duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
2209 } else if(ist->dec_ctx->framerate.num != 0 && ist->dec_ctx->framerate.den != 0) {
2210 int ticks= av_stream_get_parser(ist->st) ? av_stream_get_parser(ist->st)->repeat_pict+1 : ist->dec_ctx->ticks_per_frame;
2211 duration = ((int64_t)AV_TIME_BASE *
2212 ist->dec_ctx->framerate.den * ticks) /
2213 ist->dec_ctx->framerate.num / ist->dec_ctx->ticks_per_frame;
2217 if(ist->dts != AV_NOPTS_VALUE && duration) {
2218 ist->next_dts += duration;
2220 ist->next_dts = AV_NOPTS_VALUE;
2223 ist->next_pts += duration; //FIXME the duration is not correct in some cases
2225 case AVMEDIA_TYPE_SUBTITLE:
2226 ret = transcode_subtitles(ist, &avpkt, &got_output);
2236 avpkt.pts= AV_NOPTS_VALUE;
2238 // touch data and size only if not EOF
2240 if(ist->dec_ctx->codec_type != AVMEDIA_TYPE_AUDIO)
2248 if (got_output && !pkt)
2252 /* handle stream copy */
2253 if (!ist->decoding_needed) {
2254 ist->dts = ist->next_dts;
2255 switch (ist->dec_ctx->codec_type) {
2256 case AVMEDIA_TYPE_AUDIO:
2257 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->dec_ctx->frame_size) /
2258 ist->dec_ctx->sample_rate;
2260 case AVMEDIA_TYPE_VIDEO:
2261 if (ist->framerate.num) {
2262 // TODO: Remove work-around for c99-to-c89 issue 7
2263 AVRational time_base_q = AV_TIME_BASE_Q;
2264 int64_t next_dts = av_rescale_q(ist->next_dts, time_base_q, av_inv_q(ist->framerate));
2265 ist->next_dts = av_rescale_q(next_dts + 1, av_inv_q(ist->framerate), time_base_q);
2266 } else if (pkt->duration) {
2267 ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2268 } else if(ist->dec_ctx->framerate.num != 0) {
2269 int ticks= av_stream_get_parser(ist->st) ? av_stream_get_parser(ist->st)->repeat_pict + 1 : ist->dec_ctx->ticks_per_frame;
2270 ist->next_dts += ((int64_t)AV_TIME_BASE *
2271 ist->dec_ctx->framerate.den * ticks) /
2272 ist->dec_ctx->framerate.num / ist->dec_ctx->ticks_per_frame;
2276 ist->pts = ist->dts;
2277 ist->next_pts = ist->next_dts;
2279 for (i = 0; pkt && i < nb_output_streams; i++) {
2280 OutputStream *ost = output_streams[i];
2282 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2285 do_streamcopy(ist, ost, pkt);
2291 static void print_sdp(void)
2296 AVIOContext *sdp_pb;
2297 AVFormatContext **avc = av_malloc_array(nb_output_files, sizeof(*avc));
2301 for (i = 0, j = 0; i < nb_output_files; i++) {
2302 if (!strcmp(output_files[i]->ctx->oformat->name, "rtp")) {
2303 avc[j] = output_files[i]->ctx;
2308 av_sdp_create(avc, j, sdp, sizeof(sdp));
2310 if (!sdp_filename) {
2311 printf("SDP:\n%s\n", sdp);
2314 if (avio_open2(&sdp_pb, sdp_filename, AVIO_FLAG_WRITE, &int_cb, NULL) < 0) {
2315 av_log(NULL, AV_LOG_ERROR, "Failed to open sdp file '%s'\n", sdp_filename);
2317 avio_printf(sdp_pb, "SDP:\n%s", sdp);
2318 avio_closep(&sdp_pb);
2319 av_freep(&sdp_filename);
2326 static const HWAccel *get_hwaccel(enum AVPixelFormat pix_fmt)
2329 for (i = 0; hwaccels[i].name; i++)
2330 if (hwaccels[i].pix_fmt == pix_fmt)
2331 return &hwaccels[i];
2335 static enum AVPixelFormat get_format(AVCodecContext *s, const enum AVPixelFormat *pix_fmts)
2337 InputStream *ist = s->opaque;
2338 const enum AVPixelFormat *p;
2341 for (p = pix_fmts; *p != -1; p++) {
2342 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(*p);
2343 const HWAccel *hwaccel;
2345 if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
2348 hwaccel = get_hwaccel(*p);
2350 (ist->active_hwaccel_id && ist->active_hwaccel_id != hwaccel->id) ||
2351 (ist->hwaccel_id != HWACCEL_AUTO && ist->hwaccel_id != hwaccel->id))
2354 ret = hwaccel->init(s);
2356 if (ist->hwaccel_id == hwaccel->id) {
2357 av_log(NULL, AV_LOG_FATAL,
2358 "%s hwaccel requested for input stream #%d:%d, "
2359 "but cannot be initialized.\n", hwaccel->name,
2360 ist->file_index, ist->st->index);
2365 ist->active_hwaccel_id = hwaccel->id;
2366 ist->hwaccel_pix_fmt = *p;
2373 static int get_buffer(AVCodecContext *s, AVFrame *frame, int flags)
2375 InputStream *ist = s->opaque;
2377 if (ist->hwaccel_get_buffer && frame->format == ist->hwaccel_pix_fmt)
2378 return ist->hwaccel_get_buffer(s, frame, flags);
2380 return avcodec_default_get_buffer2(s, frame, flags);
2383 static int init_input_stream(int ist_index, char *error, int error_len)
2386 InputStream *ist = input_streams[ist_index];
2388 if (ist->decoding_needed) {
2389 AVCodec *codec = ist->dec;
2391 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
2392 avcodec_get_name(ist->dec_ctx->codec_id), ist->file_index, ist->st->index);
2393 return AVERROR(EINVAL);
2396 ist->dec_ctx->opaque = ist;
2397 ist->dec_ctx->get_format = get_format;
2398 ist->dec_ctx->get_buffer2 = get_buffer;
2399 ist->dec_ctx->thread_safe_callbacks = 1;
2401 av_opt_set_int(ist->dec_ctx, "refcounted_frames", 1, 0);
2402 if (ist->dec_ctx->codec_id == AV_CODEC_ID_DVB_SUBTITLE &&
2403 (ist->decoding_needed & DECODING_FOR_OST)) {
2404 av_dict_set(&ist->decoder_opts, "compute_edt", "1", AV_DICT_DONT_OVERWRITE);
2405 if (ist->decoding_needed & DECODING_FOR_FILTER)
2406 av_log(NULL, AV_LOG_WARNING, "Warning using DVB subtitles for filtering and output at the same time is not fully supported, also see -compute_edt [0|1]\n");
2409 if (!av_dict_get(ist->decoder_opts, "threads", NULL, 0))
2410 av_dict_set(&ist->decoder_opts, "threads", "auto", 0);
2411 if ((ret = avcodec_open2(ist->dec_ctx, codec, &ist->decoder_opts)) < 0) {
2412 if (ret == AVERROR_EXPERIMENTAL)
2413 abort_codec_experimental(codec, 0);
2415 snprintf(error, error_len,
2416 "Error while opening decoder for input stream "
2418 ist->file_index, ist->st->index, av_err2str(ret));
2421 assert_avoptions(ist->decoder_opts);
2424 ist->next_pts = AV_NOPTS_VALUE;
2425 ist->next_dts = AV_NOPTS_VALUE;
2430 static InputStream *get_input_stream(OutputStream *ost)
2432 if (ost->source_index >= 0)
2433 return input_streams[ost->source_index];
2437 static int compare_int64(const void *a, const void *b)
2439 int64_t va = *(int64_t *)a, vb = *(int64_t *)b;
2440 return va < vb ? -1 : va > vb ? +1 : 0;
2443 static void parse_forced_key_frames(char *kf, OutputStream *ost,
2444 AVCodecContext *avctx)
2447 int n = 1, i, size, index = 0;
2450 for (p = kf; *p; p++)
2454 pts = av_malloc_array(size, sizeof(*pts));
2456 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
2461 for (i = 0; i < n; i++) {
2462 char *next = strchr(p, ',');
2467 if (!memcmp(p, "chapters", 8)) {
2469 AVFormatContext *avf = output_files[ost->file_index]->ctx;
2472 if (avf->nb_chapters > INT_MAX - size ||
2473 !(pts = av_realloc_f(pts, size += avf->nb_chapters - 1,
2475 av_log(NULL, AV_LOG_FATAL,
2476 "Could not allocate forced key frames array.\n");
2479 t = p[8] ? parse_time_or_die("force_key_frames", p + 8, 1) : 0;
2480 t = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2482 for (j = 0; j < avf->nb_chapters; j++) {
2483 AVChapter *c = avf->chapters[j];
2484 av_assert1(index < size);
2485 pts[index++] = av_rescale_q(c->start, c->time_base,
2486 avctx->time_base) + t;
2491 t = parse_time_or_die("force_key_frames", p, 1);
2492 av_assert1(index < size);
2493 pts[index++] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2500 av_assert0(index == size);
2501 qsort(pts, size, sizeof(*pts), compare_int64);
2502 ost->forced_kf_count = size;
2503 ost->forced_kf_pts = pts;
2506 static void report_new_stream(int input_index, AVPacket *pkt)
2508 InputFile *file = input_files[input_index];
2509 AVStream *st = file->ctx->streams[pkt->stream_index];
2511 if (pkt->stream_index < file->nb_streams_warn)
2513 av_log(file->ctx, AV_LOG_WARNING,
2514 "New %s stream %d:%d at pos:%"PRId64" and DTS:%ss\n",
2515 av_get_media_type_string(st->codec->codec_type),
2516 input_index, pkt->stream_index,
2517 pkt->pos, av_ts2timestr(pkt->dts, &st->time_base));
2518 file->nb_streams_warn = pkt->stream_index + 1;
2521 static void set_encoder_id(OutputFile *of, OutputStream *ost)
2523 AVDictionaryEntry *e;
2525 uint8_t *encoder_string;
2526 int encoder_string_len;
2527 int format_flags = 0;
2528 int codec_flags = 0;
2530 if (av_dict_get(ost->st->metadata, "encoder", NULL, 0))
2533 e = av_dict_get(of->opts, "fflags", NULL, 0);
2535 const AVOption *o = av_opt_find(of->ctx, "fflags", NULL, 0, 0);
2538 av_opt_eval_flags(of->ctx, o, e->value, &format_flags);
2540 e = av_dict_get(ost->encoder_opts, "flags", NULL, 0);
2542 const AVOption *o = av_opt_find(ost->enc_ctx, "flags", NULL, 0, 0);
2545 av_opt_eval_flags(ost->enc_ctx, o, e->value, &codec_flags);
2548 encoder_string_len = sizeof(LIBAVCODEC_IDENT) + strlen(ost->enc->name) + 2;
2549 encoder_string = av_mallocz(encoder_string_len);
2550 if (!encoder_string)
2553 if (!(format_flags & AVFMT_FLAG_BITEXACT) && !(codec_flags & CODEC_FLAG_BITEXACT))
2554 av_strlcpy(encoder_string, LIBAVCODEC_IDENT " ", encoder_string_len);
2556 av_strlcpy(encoder_string, "Lavc ", encoder_string_len);
2557 av_strlcat(encoder_string, ost->enc->name, encoder_string_len);
2558 av_dict_set(&ost->st->metadata, "encoder", encoder_string,
2559 AV_DICT_DONT_STRDUP_VAL | AV_DICT_DONT_OVERWRITE);
2562 static int transcode_init(void)
2564 int ret = 0, i, j, k;
2565 AVFormatContext *oc;
2568 char error[1024] = {0};
2571 for (i = 0; i < nb_filtergraphs; i++) {
2572 FilterGraph *fg = filtergraphs[i];
2573 for (j = 0; j < fg->nb_outputs; j++) {
2574 OutputFilter *ofilter = fg->outputs[j];
2575 if (!ofilter->ost || ofilter->ost->source_index >= 0)
2577 if (fg->nb_inputs != 1)
2579 for (k = nb_input_streams-1; k >= 0 ; k--)
2580 if (fg->inputs[0]->ist == input_streams[k])
2582 ofilter->ost->source_index = k;
2586 /* init framerate emulation */
2587 for (i = 0; i < nb_input_files; i++) {
2588 InputFile *ifile = input_files[i];
2589 if (ifile->rate_emu)
2590 for (j = 0; j < ifile->nb_streams; j++)
2591 input_streams[j + ifile->ist_index]->start = av_gettime_relative();
2594 /* output stream init */
2595 for (i = 0; i < nb_output_files; i++) {
2596 oc = output_files[i]->ctx;
2597 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2598 av_dump_format(oc, i, oc->filename, 1);
2599 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2600 return AVERROR(EINVAL);
2604 /* init complex filtergraphs */
2605 for (i = 0; i < nb_filtergraphs; i++)
2606 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
2609 /* for each output stream, we compute the right encoding parameters */
2610 for (i = 0; i < nb_output_streams; i++) {
2611 AVCodecContext *enc_ctx;
2612 AVCodecContext *dec_ctx = NULL;
2613 ost = output_streams[i];
2614 oc = output_files[ost->file_index]->ctx;
2615 ist = get_input_stream(ost);
2617 if (ost->attachment_filename)
2620 enc_ctx = ost->enc_ctx;
2623 dec_ctx = ist->dec_ctx;
2625 ost->st->disposition = ist->st->disposition;
2626 enc_ctx->bits_per_raw_sample = dec_ctx->bits_per_raw_sample;
2627 enc_ctx->chroma_sample_location = dec_ctx->chroma_sample_location;
2629 for (j=0; j<oc->nb_streams; j++) {
2630 AVStream *st = oc->streams[j];
2631 if (st != ost->st && st->codec->codec_type == enc_ctx->codec_type)
2634 if (j == oc->nb_streams)
2635 if (enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO || enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO)
2636 ost->st->disposition = AV_DISPOSITION_DEFAULT;
2639 if (ost->stream_copy) {
2641 uint64_t extra_size;
2643 av_assert0(ist && !ost->filter);
2645 extra_size = (uint64_t)dec_ctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2647 if (extra_size > INT_MAX) {
2648 return AVERROR(EINVAL);
2651 /* if stream_copy is selected, no need to decode or encode */
2652 enc_ctx->codec_id = dec_ctx->codec_id;
2653 enc_ctx->codec_type = dec_ctx->codec_type;
2655 if (!enc_ctx->codec_tag) {
2656 unsigned int codec_tag;
2657 if (!oc->oformat->codec_tag ||
2658 av_codec_get_id (oc->oformat->codec_tag, dec_ctx->codec_tag) == enc_ctx->codec_id ||
2659 !av_codec_get_tag2(oc->oformat->codec_tag, dec_ctx->codec_id, &codec_tag))
2660 enc_ctx->codec_tag = dec_ctx->codec_tag;
2663 enc_ctx->bit_rate = dec_ctx->bit_rate;
2664 enc_ctx->rc_max_rate = dec_ctx->rc_max_rate;
2665 enc_ctx->rc_buffer_size = dec_ctx->rc_buffer_size;
2666 enc_ctx->field_order = dec_ctx->field_order;
2667 enc_ctx->extradata = av_mallocz(extra_size);
2668 if (!enc_ctx->extradata) {
2669 return AVERROR(ENOMEM);
2671 memcpy(enc_ctx->extradata, dec_ctx->extradata, dec_ctx->extradata_size);
2672 enc_ctx->extradata_size= dec_ctx->extradata_size;
2673 enc_ctx->bits_per_coded_sample = dec_ctx->bits_per_coded_sample;
2675 enc_ctx->time_base = ist->st->time_base;
2677 * Avi is a special case here because it supports variable fps but
2678 * having the fps and timebase differe significantly adds quite some
2681 if(!strcmp(oc->oformat->name, "avi")) {
2682 if ( copy_tb<0 && av_q2d(ist->st->r_frame_rate) >= av_q2d(ist->st->avg_frame_rate)
2683 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(ist->st->time_base)
2684 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(dec_ctx->time_base)
2685 && av_q2d(ist->st->time_base) < 1.0/500 && av_q2d(dec_ctx->time_base) < 1.0/500
2687 enc_ctx->time_base.num = ist->st->r_frame_rate.den;
2688 enc_ctx->time_base.den = 2*ist->st->r_frame_rate.num;
2689 enc_ctx->ticks_per_frame = 2;
2690 } else if ( copy_tb<0 && av_q2d(dec_ctx->time_base)*dec_ctx->ticks_per_frame > 2*av_q2d(ist->st->time_base)
2691 && av_q2d(ist->st->time_base) < 1.0/500
2693 enc_ctx->time_base = dec_ctx->time_base;
2694 enc_ctx->time_base.num *= dec_ctx->ticks_per_frame;
2695 enc_ctx->time_base.den *= 2;
2696 enc_ctx->ticks_per_frame = 2;
2698 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
2699 && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
2700 && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
2701 && strcmp(oc->oformat->name, "f4v")
2703 if( copy_tb<0 && dec_ctx->time_base.den
2704 && av_q2d(dec_ctx->time_base)*dec_ctx->ticks_per_frame > av_q2d(ist->st->time_base)
2705 && av_q2d(ist->st->time_base) < 1.0/500
2707 enc_ctx->time_base = dec_ctx->time_base;
2708 enc_ctx->time_base.num *= dec_ctx->ticks_per_frame;
2711 if ( enc_ctx->codec_tag == AV_RL32("tmcd")
2712 && dec_ctx->time_base.num < dec_ctx->time_base.den
2713 && dec_ctx->time_base.num > 0
2714 && 121LL*dec_ctx->time_base.num > dec_ctx->time_base.den) {
2715 enc_ctx->time_base = dec_ctx->time_base;
2718 if (ist && !ost->frame_rate.num)
2719 ost->frame_rate = ist->framerate;
2720 if(ost->frame_rate.num)
2721 enc_ctx->time_base = av_inv_q(ost->frame_rate);
2723 av_reduce(&enc_ctx->time_base.num, &enc_ctx->time_base.den,
2724 enc_ctx->time_base.num, enc_ctx->time_base.den, INT_MAX);
2726 if (ist->st->nb_side_data) {
2727 ost->st->side_data = av_realloc_array(NULL, ist->st->nb_side_data,
2728 sizeof(*ist->st->side_data));
2729 if (!ost->st->side_data)
2730 return AVERROR(ENOMEM);
2732 for (j = 0; j < ist->st->nb_side_data; j++) {
2733 const AVPacketSideData *sd_src = &ist->st->side_data[j];
2734 AVPacketSideData *sd_dst = &ost->st->side_data[j];
2736 sd_dst->data = av_malloc(sd_src->size);
2738 return AVERROR(ENOMEM);
2739 memcpy(sd_dst->data, sd_src->data, sd_src->size);
2740 sd_dst->size = sd_src->size;
2741 sd_dst->type = sd_src->type;
2742 ost->st->nb_side_data++;
2746 ost->parser = av_parser_init(enc_ctx->codec_id);
2748 switch (enc_ctx->codec_type) {
2749 case AVMEDIA_TYPE_AUDIO:
2750 if (audio_volume != 256) {
2751 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2754 enc_ctx->channel_layout = dec_ctx->channel_layout;
2755 enc_ctx->sample_rate = dec_ctx->sample_rate;
2756 enc_ctx->channels = dec_ctx->channels;
2757 enc_ctx->frame_size = dec_ctx->frame_size;
2758 enc_ctx->audio_service_type = dec_ctx->audio_service_type;
2759 enc_ctx->block_align = dec_ctx->block_align;
2760 enc_ctx->initial_padding = dec_ctx->delay;
2761 #if FF_API_AUDIOENC_DELAY
2762 enc_ctx->delay = dec_ctx->delay;
2764 if((enc_ctx->block_align == 1 || enc_ctx->block_align == 1152 || enc_ctx->block_align == 576) && enc_ctx->codec_id == AV_CODEC_ID_MP3)
2765 enc_ctx->block_align= 0;
2766 if(enc_ctx->codec_id == AV_CODEC_ID_AC3)
2767 enc_ctx->block_align= 0;
2769 case AVMEDIA_TYPE_VIDEO:
2770 enc_ctx->pix_fmt = dec_ctx->pix_fmt;
2771 enc_ctx->width = dec_ctx->width;
2772 enc_ctx->height = dec_ctx->height;
2773 enc_ctx->has_b_frames = dec_ctx->has_b_frames;
2774 if (ost->frame_aspect_ratio.num) { // overridden by the -aspect cli option
2776 av_mul_q(ost->frame_aspect_ratio,
2777 (AVRational){ enc_ctx->height, enc_ctx->width });
2778 av_log(NULL, AV_LOG_WARNING, "Overriding aspect ratio "
2779 "with stream copy may produce invalid files\n");
2781 else if (ist->st->sample_aspect_ratio.num)
2782 sar = ist->st->sample_aspect_ratio;
2784 sar = dec_ctx->sample_aspect_ratio;
2785 ost->st->sample_aspect_ratio = enc_ctx->sample_aspect_ratio = sar;
2786 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
2787 ost->st->r_frame_rate = ist->st->r_frame_rate;
2789 case AVMEDIA_TYPE_SUBTITLE:
2790 enc_ctx->width = dec_ctx->width;
2791 enc_ctx->height = dec_ctx->height;
2793 case AVMEDIA_TYPE_DATA:
2794 case AVMEDIA_TYPE_ATTACHMENT:
2801 ost->enc = avcodec_find_encoder(enc_ctx->codec_id);
2803 /* should only happen when a default codec is not present. */
2804 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
2805 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2806 ret = AVERROR(EINVAL);
2811 ist->decoding_needed |= DECODING_FOR_OST;
2812 ost->encoding_needed = 1;
2814 set_encoder_id(output_files[ost->file_index], ost);
2817 (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
2818 enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO)) {
2820 fg = init_simple_filtergraph(ist, ost);
2821 if (configure_filtergraph(fg)) {
2822 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2827 if (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO) {
2828 if (ost->filter && !ost->frame_rate.num)
2829 ost->frame_rate = av_buffersink_get_frame_rate(ost->filter->filter);
2830 if (ist && !ost->frame_rate.num)
2831 ost->frame_rate = ist->framerate;
2832 if (ist && !ost->frame_rate.num)
2833 ost->frame_rate = ist->st->r_frame_rate;
2834 if (ist && !ost->frame_rate.num) {
2835 ost->frame_rate = (AVRational){25, 1};
2836 av_log(NULL, AV_LOG_WARNING,
2838 "about the input framerate is available. Falling "
2839 "back to a default value of 25fps for output stream #%d:%d. Use the -r option "
2840 "if you want a different framerate.\n",
2841 ost->file_index, ost->index);
2843 // ost->frame_rate = ist->st->avg_frame_rate.num ? ist->st->avg_frame_rate : (AVRational){25, 1};
2844 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2845 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2846 ost->frame_rate = ost->enc->supported_framerates[idx];
2848 if (enc_ctx->codec_id == AV_CODEC_ID_MPEG4) {
2849 av_reduce(&ost->frame_rate.num, &ost->frame_rate.den,
2850 ost->frame_rate.num, ost->frame_rate.den, 65535);
2854 switch (enc_ctx->codec_type) {
2855 case AVMEDIA_TYPE_AUDIO:
2856 enc_ctx->sample_fmt = ost->filter->filter->inputs[0]->format;
2857 enc_ctx->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
2858 enc_ctx->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
2859 enc_ctx->channels = avfilter_link_get_channels(ost->filter->filter->inputs[0]);
2860 enc_ctx->time_base = (AVRational){ 1, enc_ctx->sample_rate };
2862 case AVMEDIA_TYPE_VIDEO:
2863 enc_ctx->time_base = av_inv_q(ost->frame_rate);
2864 if (ost->filter && !(enc_ctx->time_base.num && enc_ctx->time_base.den))
2865 enc_ctx->time_base = ost->filter->filter->inputs[0]->time_base;
2866 if ( av_q2d(enc_ctx->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
2867 && (video_sync_method == VSYNC_CFR || video_sync_method == VSYNC_VSCFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
2868 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n"
2869 "Please consider specifying a lower framerate, a different muxer or -vsync 2\n");
2871 for (j = 0; j < ost->forced_kf_count; j++)
2872 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
2874 enc_ctx->time_base);
2876 enc_ctx->width = ost->filter->filter->inputs[0]->w;
2877 enc_ctx->height = ost->filter->filter->inputs[0]->h;
2878 enc_ctx->sample_aspect_ratio = ost->st->sample_aspect_ratio =
2879 ost->frame_aspect_ratio.num ? // overridden by the -aspect cli option
2880 av_mul_q(ost->frame_aspect_ratio, (AVRational){ enc_ctx->height, enc_ctx->width }) :
2881 ost->filter->filter->inputs[0]->sample_aspect_ratio;
2882 if (!strncmp(ost->enc->name, "libx264", 7) &&
2883 enc_ctx->pix_fmt == AV_PIX_FMT_NONE &&
2884 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
2885 av_log(NULL, AV_LOG_WARNING,
2886 "No pixel format specified, %s for H.264 encoding chosen.\n"
2887 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
2888 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
2889 if (!strncmp(ost->enc->name, "mpeg2video", 10) &&
2890 enc_ctx->pix_fmt == AV_PIX_FMT_NONE &&
2891 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
2892 av_log(NULL, AV_LOG_WARNING,
2893 "No pixel format specified, %s for MPEG-2 encoding chosen.\n"
2894 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
2895 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
2896 enc_ctx->pix_fmt = ost->filter->filter->inputs[0]->format;
2898 ost->st->avg_frame_rate = ost->frame_rate;
2901 enc_ctx->width != dec_ctx->width ||
2902 enc_ctx->height != dec_ctx->height ||
2903 enc_ctx->pix_fmt != dec_ctx->pix_fmt) {
2904 enc_ctx->bits_per_raw_sample = frame_bits_per_raw_sample;
2907 if (ost->forced_keyframes) {
2908 if (!strncmp(ost->forced_keyframes, "expr:", 5)) {
2909 ret = av_expr_parse(&ost->forced_keyframes_pexpr, ost->forced_keyframes+5,
2910 forced_keyframes_const_names, NULL, NULL, NULL, NULL, 0, NULL);
2912 av_log(NULL, AV_LOG_ERROR,
2913 "Invalid force_key_frames expression '%s'\n", ost->forced_keyframes+5);
2916 ost->forced_keyframes_expr_const_values[FKF_N] = 0;
2917 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] = 0;
2918 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] = NAN;
2919 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] = NAN;
2921 parse_forced_key_frames(ost->forced_keyframes, ost, ost->enc_ctx);
2925 case AVMEDIA_TYPE_SUBTITLE:
2926 enc_ctx->time_base = (AVRational){1, 1000};
2927 if (!enc_ctx->width) {
2928 enc_ctx->width = input_streams[ost->source_index]->st->codec->width;
2929 enc_ctx->height = input_streams[ost->source_index]->st->codec->height;
2932 case AVMEDIA_TYPE_DATA:
2939 if (enc_ctx->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) {
2940 char logfilename[1024];
2943 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2944 ost->logfile_prefix ? ost->logfile_prefix :
2945 DEFAULT_PASS_LOGFILENAME_PREFIX,
2947 if (!strcmp(ost->enc->name, "libx264")) {
2948 av_dict_set(&ost->encoder_opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
2950 if (enc_ctx->flags & CODEC_FLAG_PASS2) {
2952 size_t logbuffer_size;
2953 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2954 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2958 enc_ctx->stats_in = logbuffer;
2960 if (enc_ctx->flags & CODEC_FLAG_PASS1) {
2961 f = av_fopen_utf8(logfilename, "wb");
2963 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2964 logfilename, strerror(errno));
2973 if (ost->disposition) {
2974 static const AVOption opts[] = {
2975 { "disposition" , NULL, 0, AV_OPT_TYPE_FLAGS, { .i64 = 0 }, INT64_MIN, INT64_MAX, .unit = "flags" },
2976 { "default" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DEFAULT }, .unit = "flags" },
2977 { "dub" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DUB }, .unit = "flags" },
2978 { "original" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_ORIGINAL }, .unit = "flags" },
2979 { "comment" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_COMMENT }, .unit = "flags" },
2980 { "lyrics" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_LYRICS }, .unit = "flags" },
2981 { "karaoke" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_KARAOKE }, .unit = "flags" },
2982 { "forced" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_FORCED }, .unit = "flags" },
2983 { "hearing_impaired" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_HEARING_IMPAIRED }, .unit = "flags" },
2984 { "visual_impaired" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_VISUAL_IMPAIRED }, .unit = "flags" },
2985 { "clean_effects" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CLEAN_EFFECTS }, .unit = "flags" },
2986 { "captions" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_CAPTIONS }, .unit = "flags" },
2987 { "descriptions" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_DESCRIPTIONS }, .unit = "flags" },
2988 { "metadata" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_DISPOSITION_METADATA }, .unit = "flags" },
2991 static const AVClass class = {
2993 .item_name = av_default_item_name,
2995 .version = LIBAVUTIL_VERSION_INT,
2997 const AVClass *pclass = &class;
2999 ret = av_opt_eval_flags(&pclass, &opts[0], ost->disposition, &ost->st->disposition);
3005 /* open each encoder */
3006 for (i = 0; i < nb_output_streams; i++) {
3007 ost = output_streams[i];
3008 if (ost->encoding_needed) {
3009 AVCodec *codec = ost->enc;
3010 AVCodecContext *dec = NULL;
3012 if ((ist = get_input_stream(ost)))
3014 if (dec && dec->subtitle_header) {
3015 /* ASS code assumes this buffer is null terminated so add extra byte. */
3016 ost->enc_ctx->subtitle_header = av_mallocz(dec->subtitle_header_size + 1);
3017 if (!ost->enc_ctx->subtitle_header) {
3018 ret = AVERROR(ENOMEM);
3021 memcpy(ost->enc_ctx->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
3022 ost->enc_ctx->subtitle_header_size = dec->subtitle_header_size;
3024 if (!av_dict_get(ost->encoder_opts, "threads", NULL, 0))
3025 av_dict_set(&ost->encoder_opts, "threads", "auto", 0);
3026 av_dict_set(&ost->encoder_opts, "side_data_only_packets", "1", 0);
3028 if ((ret = avcodec_open2(ost->enc_ctx, codec, &ost->encoder_opts)) < 0) {
3029 if (ret == AVERROR_EXPERIMENTAL)
3030 abort_codec_experimental(codec, 1);
3031 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
3032 ost->file_index, ost->index);
3035 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
3036 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
3037 av_buffersink_set_frame_size(ost->filter->filter,
3038 ost->enc_ctx->frame_size);
3039 assert_avoptions(ost->encoder_opts);
3040 if (ost->enc_ctx->bit_rate && ost->enc_ctx->bit_rate < 1000)
3041 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
3042 " It takes bits/s as argument, not kbits/s\n");
3044 ret = av_opt_set_dict(ost->enc_ctx, &ost->encoder_opts);
3046 av_log(NULL, AV_LOG_FATAL,
3047 "Error setting up codec context options.\n");
3052 ret = avcodec_copy_context(ost->st->codec, ost->enc_ctx);
3054 av_log(NULL, AV_LOG_FATAL,
3055 "Error initializing the output stream codec context.\n");
3058 ost->st->codec->codec= ost->enc_ctx->codec;
3060 // copy timebase while removing common factors
3061 ost->st->time_base = av_add_q(ost->enc_ctx->time_base, (AVRational){0, 1});
3064 /* init input streams */
3065 for (i = 0; i < nb_input_streams; i++)
3066 if ((ret = init_input_stream(i, error, sizeof(error))) < 0) {
3067 for (i = 0; i < nb_output_streams; i++) {
3068 ost = output_streams[i];
3069 avcodec_close(ost->enc_ctx);
3074 /* discard unused programs */
3075 for (i = 0; i < nb_input_files; i++) {
3076 InputFile *ifile = input_files[i];
3077 for (j = 0; j < ifile->ctx->nb_programs; j++) {
3078 AVProgram *p = ifile->ctx->programs[j];
3079 int discard = AVDISCARD_ALL;
3081 for (k = 0; k < p->nb_stream_indexes; k++)
3082 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
3083 discard = AVDISCARD_DEFAULT;
3086 p->discard = discard;
3090 /* open files and write file headers */
3091 for (i = 0; i < nb_output_files; i++) {
3092 oc = output_files[i]->ctx;
3093 oc->interrupt_callback = int_cb;
3094 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
3095 snprintf(error, sizeof(error),
3096 "Could not write header for output file #%d "
3097 "(incorrect codec parameters ?): %s",
3098 i, av_err2str(ret));
3099 ret = AVERROR(EINVAL);
3102 // assert_avoptions(output_files[i]->opts);
3103 if (strcmp(oc->oformat->name, "rtp")) {
3109 /* dump the file output parameters - cannot be done before in case
3111 for (i = 0; i < nb_output_files; i++) {
3112 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
3115 /* dump the stream mapping */
3116 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
3117 for (i = 0; i < nb_input_streams; i++) {
3118 ist = input_streams[i];
3120 for (j = 0; j < ist->nb_filters; j++) {
3121 if (ist->filters[j]->graph->graph_desc) {
3122 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
3123 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
3124 ist->filters[j]->name);
3125 if (nb_filtergraphs > 1)
3126 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
3127 av_log(NULL, AV_LOG_INFO, "\n");
3132 for (i = 0; i < nb_output_streams; i++) {
3133 ost = output_streams[i];
3135 if (ost->attachment_filename) {
3136 /* an attached file */
3137 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
3138 ost->attachment_filename, ost->file_index, ost->index);
3142 if (ost->filter && ost->filter->graph->graph_desc) {
3143 /* output from a complex graph */
3144 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
3145 if (nb_filtergraphs > 1)
3146 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
3148 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
3149 ost->index, ost->enc ? ost->enc->name : "?");
3153 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
3154 input_streams[ost->source_index]->file_index,
3155 input_streams[ost->source_index]->st->index,
3158 if (ost->sync_ist != input_streams[ost->source_index])
3159 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
3160 ost->sync_ist->file_index,
3161 ost->sync_ist->st->index);
3162 if (ost->stream_copy)
3163 av_log(NULL, AV_LOG_INFO, " (copy)");
3165 const AVCodec *in_codec = input_streams[ost->source_index]->dec;
3166 const AVCodec *out_codec = ost->enc;
3167 const char *decoder_name = "?";
3168 const char *in_codec_name = "?";
3169 const char *encoder_name = "?";
3170 const char *out_codec_name = "?";
3173 decoder_name = in_codec->name;
3174 in_codec_name = avcodec_descriptor_get(in_codec->id)->name;
3175 if (!strcmp(decoder_name, in_codec_name))
3176 decoder_name = "native";
3180 encoder_name = out_codec->name;
3181 out_codec_name = avcodec_descriptor_get(out_codec->id)->name;
3182 if (!strcmp(encoder_name, out_codec_name))
3183 encoder_name = "native";
3186 av_log(NULL, AV_LOG_INFO, " (%s (%s) -> %s (%s))",
3187 in_codec_name, decoder_name,
3188 out_codec_name, encoder_name);
3190 av_log(NULL, AV_LOG_INFO, "\n");
3194 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
3198 if (sdp_filename || want_sdp) {
3202 transcode_init_done = 1;
3207 /* Return 1 if there remain streams where more output is wanted, 0 otherwise. */
3208 static int need_output(void)
3212 for (i = 0; i < nb_output_streams; i++) {
3213 OutputStream *ost = output_streams[i];
3214 OutputFile *of = output_files[ost->file_index];
3215 AVFormatContext *os = output_files[ost->file_index]->ctx;
3217 if (ost->finished ||
3218 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
3220 if (ost->frame_number >= ost->max_frames) {
3222 for (j = 0; j < of->ctx->nb_streams; j++)
3223 close_output_stream(output_streams[of->ost_index + j]);
3234 * Select the output stream to process.
3236 * @return selected output stream, or NULL if none available
3238 static OutputStream *choose_output(void)
3241 int64_t opts_min = INT64_MAX;
3242 OutputStream *ost_min = NULL;
3244 for (i = 0; i < nb_output_streams; i++) {
3245 OutputStream *ost = output_streams[i];
3246 int64_t opts = av_rescale_q(ost->st->cur_dts, ost->st->time_base,
3248 if (!ost->finished && opts < opts_min) {
3250 ost_min = ost->unavailable ? NULL : ost;
3256 static int check_keyboard_interaction(int64_t cur_time)
3259 static int64_t last_time;
3260 if (received_nb_signals)
3261 return AVERROR_EXIT;
3262 /* read_key() returns 0 on EOF */
3263 if(cur_time - last_time >= 100000 && !run_as_daemon){
3265 last_time = cur_time;
3269 return AVERROR_EXIT;
3270 if (key == '+') av_log_set_level(av_log_get_level()+10);
3271 if (key == '-') av_log_set_level(av_log_get_level()-10);
3272 if (key == 's') qp_hist ^= 1;
3275 do_hex_dump = do_pkt_dump = 0;
3276 } else if(do_pkt_dump){
3280 av_log_set_level(AV_LOG_DEBUG);
3282 if (key == 'c' || key == 'C'){
3283 char buf[4096], target[64], command[256], arg[256] = {0};
3286 fprintf(stderr, "\nEnter command: <target>|all <time>|-1 <command>[ <argument>]\n");
3288 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
3293 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
3294 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
3295 target, time, command, arg);
3296 for (i = 0; i < nb_filtergraphs; i++) {
3297 FilterGraph *fg = filtergraphs[i];
3300 ret = avfilter_graph_send_command(fg->graph, target, command, arg, buf, sizeof(buf),
3301 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
3302 fprintf(stderr, "Command reply for stream %d: ret:%d res:\n%s", i, ret, buf);
3303 } else if (key == 'c') {
3304 fprintf(stderr, "Queing commands only on filters supporting the specific command is unsupported\n");
3305 ret = AVERROR_PATCHWELCOME;
3307 ret = avfilter_graph_queue_command(fg->graph, target, command, arg, 0, time);
3312 av_log(NULL, AV_LOG_ERROR,
3313 "Parse error, at least 3 arguments were expected, "
3314 "only %d given in string '%s'\n", n, buf);
3317 if (key == 'd' || key == 'D'){
3320 debug = input_streams[0]->st->codec->debug<<1;
3321 if(!debug) debug = 1;
3322 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
3325 if(scanf("%d", &debug)!=1)
3326 fprintf(stderr,"error parsing debug value\n");
3327 for(i=0;i<nb_input_streams;i++) {
3328 input_streams[i]->st->codec->debug = debug;
3330 for(i=0;i<nb_output_streams;i++) {
3331 OutputStream *ost = output_streams[i];
3332 ost->enc_ctx->debug = debug;
3334 if(debug) av_log_set_level(AV_LOG_DEBUG);
3335 fprintf(stderr,"debug=%d\n", debug);
3338 fprintf(stderr, "key function\n"
3339 "? show this help\n"
3340 "+ increase verbosity\n"
3341 "- decrease verbosity\n"
3342 "c Send command to first matching filter supporting it\n"
3343 "C Send/Que command to all matching filters\n"
3344 "D cycle through available debug modes\n"
3345 "h dump packets/hex press to cycle through the 3 states\n"
3347 "s Show QP histogram\n"
3354 static void *input_thread(void *arg)
3361 ret = av_read_frame(f->ctx, &pkt);
3363 if (ret == AVERROR(EAGAIN)) {
3368 av_thread_message_queue_set_err_recv(f->in_thread_queue, ret);
3371 av_dup_packet(&pkt);
3372 ret = av_thread_message_queue_send(f->in_thread_queue, &pkt, 0);
3374 if (ret != AVERROR_EOF)
3375 av_log(f->ctx, AV_LOG_ERROR,
3376 "Unable to send packet to main thread: %s\n",
3378 av_free_packet(&pkt);
3379 av_thread_message_queue_set_err_recv(f->in_thread_queue, ret);
3387 static void free_input_threads(void)
3391 for (i = 0; i < nb_input_files; i++) {
3392 InputFile *f = input_files[i];
3395 if (!f->in_thread_queue)
3397 av_thread_message_queue_set_err_send(f->in_thread_queue, AVERROR_EOF);
3398 while (av_thread_message_queue_recv(f->in_thread_queue, &pkt, 0) >= 0)
3399 av_free_packet(&pkt);
3401 pthread_join(f->thread, NULL);
3403 av_thread_message_queue_free(&f->in_thread_queue);
3407 static int init_input_threads(void)
3411 if (nb_input_files == 1)
3414 for (i = 0; i < nb_input_files; i++) {
3415 InputFile *f = input_files[i];
3417 if (f->ctx->pb ? !f->ctx->pb->seekable :
3418 strcmp(f->ctx->iformat->name, "lavfi"))
3419 f->non_blocking = 1;
3420 ret = av_thread_message_queue_alloc(&f->in_thread_queue,
3421 8, sizeof(AVPacket));
3425 if ((ret = pthread_create(&f->thread, NULL, input_thread, f))) {
3426 av_log(NULL, AV_LOG_ERROR, "pthread_create failed: %s. Try to increase `ulimit -v` or decrease `ulimit -s`.\n", strerror(ret));
3427 av_thread_message_queue_free(&f->in_thread_queue);
3428 return AVERROR(ret);
3434 static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
3436 return av_thread_message_queue_recv(f->in_thread_queue, pkt,
3438 AV_THREAD_MESSAGE_NONBLOCK : 0);
3442 static int get_input_packet(InputFile *f, AVPacket *pkt)
3446 for (i = 0; i < f->nb_streams; i++) {
3447 InputStream *ist = input_streams[f->ist_index + i];
3448 int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
3449 int64_t now = av_gettime_relative() - ist->start;
3451 return AVERROR(EAGAIN);
3456 if (nb_input_files > 1)
3457 return get_input_packet_mt(f, pkt);
3459 return av_read_frame(f->ctx, pkt);
3462 static int got_eagain(void)
3465 for (i = 0; i < nb_output_streams; i++)
3466 if (output_streams[i]->unavailable)
3471 static void reset_eagain(void)
3474 for (i = 0; i < nb_input_files; i++)
3475 input_files[i]->eagain = 0;
3476 for (i = 0; i < nb_output_streams; i++)
3477 output_streams[i]->unavailable = 0;
3482 * - 0 -- one packet was read and processed
3483 * - AVERROR(EAGAIN) -- no packets were available for selected file,
3484 * this function should be called again
3485 * - AVERROR_EOF -- this function should not be called again
3487 static int process_input(int file_index)
3489 InputFile *ifile = input_files[file_index];
3490 AVFormatContext *is;
3496 ret = get_input_packet(ifile, &pkt);
3498 if (ret == AVERROR(EAGAIN)) {
3503 if (ret != AVERROR_EOF) {
3504 print_error(is->filename, ret);
3509 for (i = 0; i < ifile->nb_streams; i++) {
3510 ist = input_streams[ifile->ist_index + i];
3511 if (ist->decoding_needed) {
3512 ret = process_input_packet(ist, NULL);
3517 /* mark all outputs that don't go through lavfi as finished */
3518 for (j = 0; j < nb_output_streams; j++) {
3519 OutputStream *ost = output_streams[j];
3521 if (ost->source_index == ifile->ist_index + i &&
3522 (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
3523 finish_output_stream(ost);
3527 ifile->eof_reached = 1;
3528 return AVERROR(EAGAIN);
3534 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
3535 is->streams[pkt.stream_index]);
3537 /* the following test is needed in case new streams appear
3538 dynamically in stream : we ignore them */
3539 if (pkt.stream_index >= ifile->nb_streams) {
3540 report_new_stream(file_index, &pkt);
3541 goto discard_packet;
3544 ist = input_streams[ifile->ist_index + pkt.stream_index];
3546 ist->data_size += pkt.size;
3550 goto discard_packet;
3553 av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
3554 "next_dts:%s next_dts_time:%s next_pts:%s next_pts_time:%s pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s off:%s off_time:%s\n",
3555 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->dec_ctx->codec_type),
3556 av_ts2str(ist->next_dts), av_ts2timestr(ist->next_dts, &AV_TIME_BASE_Q),
3557 av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &AV_TIME_BASE_Q),
3558 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3559 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3560 av_ts2str(input_files[ist->file_index]->ts_offset),
3561 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3564 if(!ist->wrap_correction_done && is->start_time != AV_NOPTS_VALUE && ist->st->pts_wrap_bits < 64){
3565 int64_t stime, stime2;
3566 // Correcting starttime based on the enabled streams
3567 // FIXME this ideally should be done before the first use of starttime but we do not know which are the enabled streams at that point.
3568 // so we instead do it here as part of discontinuity handling
3569 if ( ist->next_dts == AV_NOPTS_VALUE
3570 && ifile->ts_offset == -is->start_time
3571 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
3572 int64_t new_start_time = INT64_MAX;
3573 for (i=0; i<is->nb_streams; i++) {
3574 AVStream *st = is->streams[i];
3575 if(st->discard == AVDISCARD_ALL || st->start_time == AV_NOPTS_VALUE)
3577 new_start_time = FFMIN(new_start_time, av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q));
3579 if (new_start_time > is->start_time) {
3580 av_log(is, AV_LOG_VERBOSE, "Correcting start time by %"PRId64"\n", new_start_time - is->start_time);
3581 ifile->ts_offset = -new_start_time;
3585 stime = av_rescale_q(is->start_time, AV_TIME_BASE_Q, ist->st->time_base);
3586 stime2= stime + (1ULL<<ist->st->pts_wrap_bits);
3587 ist->wrap_correction_done = 1;
3589 if(stime2 > stime && pkt.dts != AV_NOPTS_VALUE && pkt.dts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
3590 pkt.dts -= 1ULL<<ist->st->pts_wrap_bits;
3591 ist->wrap_correction_done = 0;
3593 if(stime2 > stime && pkt.pts != AV_NOPTS_VALUE && pkt.pts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
3594 pkt.pts -= 1ULL<<ist->st->pts_wrap_bits;
3595 ist->wrap_correction_done = 0;
3599 /* add the stream-global side data to the first packet */
3600 if (ist->nb_packets == 1) {
3601 if (ist->st->nb_side_data)
3602 av_packet_split_side_data(&pkt);
3603 for (i = 0; i < ist->st->nb_side_data; i++) {
3604 AVPacketSideData *src_sd = &ist->st->side_data[i];
3607 if (av_packet_get_side_data(&pkt, src_sd->type, NULL))
3610 dst_data = av_packet_new_side_data(&pkt, src_sd->type, src_sd->size);
3614 memcpy(dst_data, src_sd->data, src_sd->size);
3618 if (pkt.dts != AV_NOPTS_VALUE)
3619 pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3620 if (pkt.pts != AV_NOPTS_VALUE)
3621 pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3623 if (pkt.pts != AV_NOPTS_VALUE)
3624 pkt.pts *= ist->ts_scale;
3625 if (pkt.dts != AV_NOPTS_VALUE)
3626 pkt.dts *= ist->ts_scale;
3628 if ((ist->dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
3629 ist->dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) &&
3630 pkt.dts != AV_NOPTS_VALUE && ist->next_dts == AV_NOPTS_VALUE && !copy_ts
3631 && (is->iformat->flags & AVFMT_TS_DISCONT) && ifile->last_ts != AV_NOPTS_VALUE) {
3632 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3633 int64_t delta = pkt_dts - ifile->last_ts;
3634 if (delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3635 delta > 1LL*dts_delta_threshold*AV_TIME_BASE){
3636 ifile->ts_offset -= delta;
3637 av_log(NULL, AV_LOG_DEBUG,
3638 "Inter stream timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3639 delta, ifile->ts_offset);
3640 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3641 if (pkt.pts != AV_NOPTS_VALUE)
3642 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3646 if ((ist->dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
3647 ist->dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) &&
3648 pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
3650 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3651 int64_t delta = pkt_dts - ist->next_dts;
3652 if (is->iformat->flags & AVFMT_TS_DISCONT) {
3653 if (delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3654 delta > 1LL*dts_delta_threshold*AV_TIME_BASE ||
3655 pkt_dts + AV_TIME_BASE/10 < FFMAX(ist->pts, ist->dts)) {
3656 ifile->ts_offset -= delta;
3657 av_log(NULL, AV_LOG_DEBUG,
3658 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3659 delta, ifile->ts_offset);
3660 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3661 if (pkt.pts != AV_NOPTS_VALUE)
3662 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3665 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3666 delta > 1LL*dts_error_threshold*AV_TIME_BASE) {
3667 av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index);
3668 pkt.dts = AV_NOPTS_VALUE;
3670 if (pkt.pts != AV_NOPTS_VALUE){
3671 int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
3672 delta = pkt_pts - ist->next_dts;
3673 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3674 delta > 1LL*dts_error_threshold*AV_TIME_BASE) {
3675 av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
3676 pkt.pts = AV_NOPTS_VALUE;
3682 if (pkt.dts != AV_NOPTS_VALUE)
3683 ifile->last_ts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3686 av_log(NULL, AV_LOG_INFO, "demuxer+ffmpeg -> ist_index:%d type:%s pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s off:%s off_time:%s\n",
3687 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->dec_ctx->codec_type),
3688 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3689 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3690 av_ts2str(input_files[ist->file_index]->ts_offset),
3691 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3694 sub2video_heartbeat(ist, pkt.pts);
3696 ret = process_input_packet(ist, &pkt);
3698 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n",
3699 ist->file_index, ist->st->index, av_err2str(ret));
3705 av_free_packet(&pkt);
3711 * Perform a step of transcoding for the specified filter graph.
3713 * @param[in] graph filter graph to consider
3714 * @param[out] best_ist input stream where a frame would allow to continue
3715 * @return 0 for success, <0 for error
3717 static int transcode_from_filter(FilterGraph *graph, InputStream **best_ist)
3720 int nb_requests, nb_requests_max = 0;
3721 InputFilter *ifilter;
3725 ret = avfilter_graph_request_oldest(graph->graph);
3727 return reap_filters();
3729 if (ret == AVERROR_EOF) {
3730 ret = reap_filters();
3731 for (i = 0; i < graph->nb_outputs; i++)
3732 close_output_stream(graph->outputs[i]->ost);
3735 if (ret != AVERROR(EAGAIN))
3738 for (i = 0; i < graph->nb_inputs; i++) {
3739 ifilter = graph->inputs[i];
3741 if (input_files[ist->file_index]->eagain ||
3742 input_files[ist->file_index]->eof_reached)
3744 nb_requests = av_buffersrc_get_nb_failed_requests(ifilter->filter);
3745 if (nb_requests > nb_requests_max) {
3746 nb_requests_max = nb_requests;
3752 for (i = 0; i < graph->nb_outputs; i++)
3753 graph->outputs[i]->ost->unavailable = 1;
3759 * Run a single step of transcoding.
3761 * @return 0 for success, <0 for error
3763 static int transcode_step(void)
3769 ost = choose_output();
3776 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from, finishing.\n");
3781 if ((ret = transcode_from_filter(ost->filter->graph, &ist)) < 0)
3786 av_assert0(ost->source_index >= 0);
3787 ist = input_streams[ost->source_index];
3790 ret = process_input(ist->file_index);
3791 if (ret == AVERROR(EAGAIN)) {
3792 if (input_files[ist->file_index]->eagain)
3793 ost->unavailable = 1;
3797 return ret == AVERROR_EOF ? 0 : ret;
3799 return reap_filters();
3803 * The following code is the main loop of the file converter
3805 static int transcode(void)
3808 AVFormatContext *os;
3811 int64_t timer_start;
3813 ret = transcode_init();
3817 if (stdin_interaction) {
3818 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
3821 timer_start = av_gettime_relative();
3824 if ((ret = init_input_threads()) < 0)
3828 while (!received_sigterm) {
3829 int64_t cur_time= av_gettime_relative();
3831 /* if 'q' pressed, exits */
3832 if (stdin_interaction)
3833 if (check_keyboard_interaction(cur_time) < 0)
3836 /* check if there's any stream where output is still needed */
3837 if (!need_output()) {
3838 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
3842 ret = transcode_step();
3844 if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN))
3847 av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
3851 /* dump report by using the output first video and audio streams */
3852 print_report(0, timer_start, cur_time);
3855 free_input_threads();
3858 /* at the end of stream, we must flush the decoder buffers */
3859 for (i = 0; i < nb_input_streams; i++) {
3860 ist = input_streams[i];
3861 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
3862 process_input_packet(ist, NULL);
3869 /* write the trailer if needed and close file */
3870 for (i = 0; i < nb_output_files; i++) {
3871 os = output_files[i]->ctx;
3872 av_write_trailer(os);
3875 /* dump report by using the first video and audio streams */
3876 print_report(1, timer_start, av_gettime_relative());
3878 /* close each encoder */
3879 for (i = 0; i < nb_output_streams; i++) {
3880 ost = output_streams[i];
3881 if (ost->encoding_needed) {
3882 av_freep(&ost->enc_ctx->stats_in);
3886 /* close each decoder */
3887 for (i = 0; i < nb_input_streams; i++) {
3888 ist = input_streams[i];
3889 if (ist->decoding_needed) {
3890 avcodec_close(ist->dec_ctx);
3891 if (ist->hwaccel_uninit)
3892 ist->hwaccel_uninit(ist->dec_ctx);
3901 free_input_threads();
3904 if (output_streams) {
3905 for (i = 0; i < nb_output_streams; i++) {
3906 ost = output_streams[i];
3909 fclose(ost->logfile);
3910 ost->logfile = NULL;
3912 av_freep(&ost->forced_kf_pts);
3913 av_freep(&ost->apad);
3914 av_freep(&ost->disposition);
3915 av_dict_free(&ost->encoder_opts);
3916 av_dict_free(&ost->swr_opts);
3917 av_dict_free(&ost->resample_opts);
3918 av_dict_free(&ost->bsf_args);
3926 static int64_t getutime(void)
3929 struct rusage rusage;
3931 getrusage(RUSAGE_SELF, &rusage);
3932 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3933 #elif HAVE_GETPROCESSTIMES
3935 FILETIME c, e, k, u;
3936 proc = GetCurrentProcess();
3937 GetProcessTimes(proc, &c, &e, &k, &u);
3938 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3940 return av_gettime_relative();
3944 static int64_t getmaxrss(void)
3946 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3947 struct rusage rusage;
3948 getrusage(RUSAGE_SELF, &rusage);
3949 return (int64_t)rusage.ru_maxrss * 1024;
3950 #elif HAVE_GETPROCESSMEMORYINFO
3952 PROCESS_MEMORY_COUNTERS memcounters;
3953 proc = GetCurrentProcess();
3954 memcounters.cb = sizeof(memcounters);
3955 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3956 return memcounters.PeakPagefileUsage;
3962 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
3966 int main(int argc, char **argv)
3971 register_exit(ffmpeg_cleanup);
3973 setvbuf(stderr,NULL,_IONBF,0); /* win32 runtime needs this */
3975 av_log_set_flags(AV_LOG_SKIP_REPEATED);
3976 parse_loglevel(argc, argv, options);
3978 if(argc>1 && !strcmp(argv[1], "-d")){
3980 av_log_set_callback(log_callback_null);
3985 avcodec_register_all();
3987 avdevice_register_all();
3989 avfilter_register_all();
3991 avformat_network_init();
3993 show_banner(argc, argv, options);
3997 /* parse options and open all input/output files */
3998 ret = ffmpeg_parse_options(argc, argv);
4002 if (nb_output_files <= 0 && nb_input_files == 0) {
4004 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4008 /* file converter / grab */
4009 if (nb_output_files <= 0) {
4010 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
4014 // if (nb_input_files == 0) {
4015 // av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
4019 current_time = ti = getutime();
4020 if (transcode() < 0)
4022 ti = getutime() - ti;
4024 printf("bench: utime=%0.3fs\n", ti / 1000000.0);
4026 av_log(NULL, AV_LOG_DEBUG, "%"PRIu64" frames successfully decoded, %"PRIu64" decoding errors\n",
4027 decode_error_stat[0], decode_error_stat[1]);
4028 if ((decode_error_stat[0] + decode_error_stat[1]) * max_error_rate < decode_error_stat[1])
4031 exit_program(received_nb_signals ? 255 : main_return_code);
4032 return main_return_code;